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Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 03, 2019	Mar. 02, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 56,315	$ 50,000	$ 0

Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Current assets
Cash and cash equivalents	$ 10,129	$ 17,087
Restricted cash	401	12,154
Receivables, net of allowance for doubtful accounts	197,976	192,767
Inventories	75,791	78,344
Costs and earnings on contracts in excess of billings	72,284	55,095
Other current assets	40,335	16,451
Total current assets	396,916	371,898
Property, plant and equipment, net	326,418	315,823
Operating lease right-of-use assets	56,315	0
Goodwill	185,776	185,832
Intangible assets	142,779	148,235
Other non-current assets	41,587	46,380
Total assets	1,149,791	1,068,168
Current liabilities
Accounts payable	66,557	72,219
Accrued payroll and related benefits	33,339	41,119
Billings on contracts in excess of costs and earnings	26,366	21,478
Operating lease liabilities	9,399	0
Current portion of debt	155,400	0
Other current liabilities	108,481	92,696
Total current liabilities	399,542	227,512
Long-term debt	95,856	245,724
Non-current operating lease liabilities	48,509	0
Non-current self-insurance reserves	25,260	21,433
Other non-current liabilities	65,645	77,182
Shareholders' equity
Common stock of $0.33-1/3 par value; authorized 50,000,000 shares; issued and outstanding 26,552,935 and 27,015,127 respectively	8,851	9,005
Additional paid-in capital	153,188	151,842
Retained earnings	385,032	367,597
Common stock held in trust	(675)	(755)
Deferred compensation obligations	675	755
Accumulated other comprehensive loss	(32,092)	(32,127)
Total shareholders’ equity	514,979	496,317
Total liabilities and shareholders’ equity	$ 1,149,791	$ 1,068,168

Consolidated Statements of Comprehensive Earnings (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 15,234	$ 21,891	$ 49,956	$ 57,778
Other comprehensive (loss) earnings:
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	(44)	(58)	145	(90)
Unrealized gain (loss) on derivative instruments, net of $119, $10, $146 and ($99) of tax expense (benefit), respectively	387	32	476	(327)
Foreign currency translation adjustments	(491)	(3,621)	(586)	(7,518)
Other comprehensive (loss) earnings	(148)	(3,647)	35	(7,935)
Total comprehensive earnings	$ 15,086	$ 18,244	$ 49,991	$ 49,843

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Goodwill and Other Identifiable Intangible Assets (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Mar. 02, 2019	Nov. 30, 2019
Schedule of finite lived identifiable intangible assets
Gross Carrying Amount	$ 164,513	$ 161,271
Accumulated Amortization	(58,271)	(63,840)
Foreign Currency Translation	(3,428)	(94)
Net	102,814	97,337
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	(3,141)
Impairment of Intangible Assets (Excluding Goodwill)	(3,141)
Intangible Assets, Gross (Excluding Goodwill)	213,591	206,692
Intangible Assets Accumulated Amortization	(58,271)	(63,840)
Intangible Assets Foreign Currency Translation	(3,944)	(73)
Intangible Assets, Net (Excluding Goodwill)	148,235	142,779
Customer relationships
Schedule of finite lived identifiable intangible assets
Gross Carrying Amount	122,816	120,238
Accumulated Amortization	(26,637)	(31,566)
Foreign Currency Translation	(2,578)	(20)
Net	93,601	88,652
Other intangibles
Schedule of finite lived identifiable intangible assets
Gross Carrying Amount	41,697	41,033
Accumulated Amortization	(31,634)	(32,274)
Foreign Currency Translation	(850)	(74)
Net	9,213	8,685
Indefinite-lived Intangible Assets (Excluding Goodwill)	49,078	45,421
Indefinite Lived Identifiable Intangible Assets, Foreign Currency Translation Adjustments	(516)	21
Indefinite-lived Intangible Assets (Excluding Goodwill), Net of translation adjustments	$ 45,421	$ 45,442

Consolidated Statement of Shareholders Equity (unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Common Stock Held In Trust [Member]	Deferred Compensation Obligation [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance (in shares) at Mar. 03, 2018	28,158
Beginning balance at Mar. 03, 2018		$ 9,386	$ 152,763	$ 373,259	$ (922)	$ 922	$ (24,053)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from AOCI, Current Period, Tax				737
Reclassification of tax effects	$ 737
Net earnings				15,373
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)							10
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)							(304)
Foreign currency translation adjustments							(517)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	90
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		30	35		91	(91)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			1,514
Outstanding shares awards exercised	19
Stock Issued During Period, Value, Stock Options Exercised		6	177
Stock Repurchased and Retired During Period, Shares	(41)
Stock Repurchased and Retired During Period, Value		(13)	(228)	(1,440)
Dividends, Common Stock, Cash				(4,410)
Ending balance (in shares) at Jun. 02, 2018	28,226
Ending balance at Jun. 02, 2018		9,409	154,261	386,518	(831)	831	(25,601)
Beginning balance (in shares) at Mar. 03, 2018	28,158
Beginning balance at Mar. 03, 2018		9,386	152,763	373,259	(922)	922	(24,053)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 57,778
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	(90)
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ (327)
Ending balance (in shares) at Dec. 01, 2018	27,656
Ending balance at Dec. 01, 2018		9,219	154,095	400,289	(745)	745	(32,729)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment				2,999
Beginning balance (in shares) at Jun. 02, 2018	28,226
Beginning balance at Jun. 02, 2018		9,409	154,261	386,518	(831)	831	(25,601)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				20,514
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)							(42)
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)							(55)
Foreign currency translation adjustments							(3,383)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	35
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		12	37		(11)	11
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			1,605
Stock Repurchased and Retired During Period, Shares	(1)
Stock Repurchased and Retired During Period, Value		(1)	(5)
Dividends, Common Stock, Cash				(4,413)
Ending balance (in shares) at Sep. 01, 2018	28,260
Ending balance at Sep. 01, 2018		9,420	155,898	402,619	(842)	842	(29,081)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 21,891			21,891
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	(58)						(58)
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ 32						32
Foreign currency translation adjustments							(3,622)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture			54		97	(97)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			1,605
Share repurchases (in shares)	(600)
Share repurchases		(200)	(3,436)	(19,677)
Stock Repurchased and Retired During Period, Shares	(4)
Stock Repurchased and Retired During Period, Value		(1)	(26)	(187)
Dividends, Common Stock, Cash				(4,357)
Ending balance (in shares) at Dec. 01, 2018	27,656
Ending balance at Dec. 01, 2018		9,219	154,095	400,289	(745)	745	(32,729)
Beginning balance (in shares) at Mar. 02, 2019	27,015
Beginning balance at Mar. 02, 2019	$ 496,317	9,005	151,842	367,597	(755)	755	(32,127)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				15,443
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)							181
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)							5
Foreign currency translation adjustments							(2,560)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	79
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		26	14		(12)	12
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			1,618
Share repurchases (in shares)	(532)
Share repurchases		(177)	(3,051)	(16,782)
Stock Repurchased and Retired During Period, Shares	(32)
Stock Repurchased and Retired During Period, Value		(11)	(183)	(1,266)
Dividends, Common Stock, Cash				(4,598)
Ending balance (in shares) at Jun. 01, 2019	26,530
Ending balance at Jun. 01, 2019		8,843	150,240	360,394	(767)	767	(34,501)
Beginning balance (in shares) at Mar. 02, 2019	27,015
Beginning balance at Mar. 02, 2019	$ 496,317	9,005	151,842	367,597	(755)	755	(32,127)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	49,956
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	145
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ 476
Ending balance (in shares) at Nov. 30, 2019	26,553
Ending balance at Nov. 30, 2019	$ 514,979	8,851	153,188	385,032	(675)	675	(32,092)
Beginning balance (in shares) at Jun. 01, 2019	26,530
Beginning balance at Jun. 01, 2019		8,843	150,240	360,394	(767)	767	(34,501)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				19,279
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)							8
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)							84
Foreign currency translation adjustments							2,465
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	44
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		15	27		(11)	11
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			1,582
Stock Repurchased and Retired During Period, Shares	(20)
Stock Repurchased and Retired During Period, Value		(7)	(114)	(629)
Dividends, Common Stock, Cash				(4,605)
Ending balance (in shares) at Aug. 31, 2019	26,554
Ending balance at Aug. 31, 2019		8,851	151,735	374,439	(778)	778	(31,944)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 15,234			15,234
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	(44)						(44)
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ 387						387
Foreign currency translation adjustments							(491)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	(1)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture		1	43		103	(103)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition			1,417
Stock Repurchased and Retired During Period, Shares	0
Stock Repurchased and Retired During Period, Value		(1)	(7)	(36)
Dividends, Common Stock, Cash				(4,605)
Ending balance (in shares) at Nov. 30, 2019	26,553
Ending balance at Nov. 30, 2019	$ 514,979	$ 8,851	$ 153,188	$ 385,032	$ (675)	$ 675	$ (32,092)

Leases (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Leases (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Nov. 30, 2019
Leases [Abstract]
Operating lease cost	$ 3,445	$ 10,308
Short-term lease cost	427	1,606
Variable lease cost	843	2,223
Total lease cost	$ 4,715	$ 14,137

Financial Instruments (Details 3) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 2,680	$ 2,015
Commercial paper	500	300
Municipal and corporate bonds	12,384	12,432
Foreign currency forward/option contract	69	470
Interest rate swap contract	16
Quoted Prices in Active Markets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	2,680	2,015
Commercial paper	0	0
Municipal and corporate bonds	0	0
Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Commercial paper	500	300
Municipal and corporate bonds	12,384	12,432
Foreign currency forward/option contract	69	$ 470
Interest rate swap contract	$ 16

Debt	9 Months Ended
Debt	Nov. 30, 2019
Debt Disclosure [Abstract]
Debt	Debt As of November 30, 2019, our total debt outstanding was $251.3 million, compared to $245.8 million as of March 2, 2019. During the second quarter of fiscal 2020, we amended the borrowing capacity of our prior credit facility to $235 million with a maturity of June 2024 and we established a $150 million term loan with a maturity of June 2020. Outstanding borrowings under the revolving credit facility were $80.5 million, as of November 30, 2019, and $225.0 million, as of March 2, 2019. Our revolving credit facility and term loan contains two financial covenants that require us to stay below a maximum debt-to-EBITDA ratio and maintain a minimum ratio of interest expense-to-EBITDA. Both ratios are computed quarterly, with EBITDA calculated on a rolling four-quarter basis. At November 30, 2019, we were in compliance with both financial covenants. Additionally, at November 30, 2019, we had a total of $24.7 million of ongoing letters of credit related to industrial revenue bonds, construction contracts and insurance collateral that expire in fiscal years 2021 to 2032 and reduce borrowing capacity under the revolving credit facility. At November 30, 2019, debt included $20.4 million of industrial revenue bonds that mature in fiscal years 2021 through 2043 and $0.4 million of long-term debt in Canada. The fair value of the industrial revenue bonds approximated carrying value at November 30, 2019, due to the variable interest rates on these instruments. All debt would be classified as Level 2 within the fair value hierarchy described in Note 4. We also maintain two Canadian demand credit facilities totaling $12.0 million Canadian dollars. As of November 30, 2019 and March 2, 2019, no borrowings were outstanding under the facilities. Borrowings under these facilities are made available at the sole discretion of the lenders and are payable on demand. Interest payments were $7.3 million and $7.2 million for the nine months ended November 30, 2019 and December 1, 2018, respectively.

Segment Information Segment Information (Details Textual)	9 Months Ended
	Nov. 30, 2019 Segment Reportable_Segment
Segment Reporting [Abstract]
Number of Reportable Segments \| Segment	4
Number of Operating Segments \| Reportable_Segment	6

Goodwill and Other Identifiable Intangible Assets (Details 2) $ in Thousands	Nov. 30, 2019 USD ($)
Schedule of estimated future amortization expense for identifiable intangible assets
Estimated amortization expense, Remainder of Fiscal 2018	$ 1,982
Estimated amortization expense, Fiscal 2019	7,921
Estimated amortization expense, Fiscal 2020	7,915
Estimated amortization expense, Fiscal 2021	7,750
Estimated amortization expense, Fiscal 2022	$ 7,563

Leases (Details 2) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 03, 2019
Leases [Abstract]
Remainder of Fiscal 2020	$ 3,366
Fiscal 2021	12,880
Fiscal 2022	11,256
Fiscal 2023	10,307
Fiscal 2024	8,147
Fiscal 2025	6,290
Thereafter	12,357
Total lease payments	64,603
Less: Amounts representing interest	(6,695)
Present value of lease liabilities	$ 57,908	$ 50,000

Revenue, Receivables and Contract Assets and Liabilities (Tables)

9 Months Ended

Nov. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregated revenue data

The following table disaggregates total revenue by timing of recognition (see Note 13 for disclosure of revenue by segment):



	Three Months Ended				Nine Months Ended
In thousands	November 30, 2019		December 1, 2018		November 30, 2019		December 1, 2018
Recognized at shipment	$	153,093	$	158,164	$	472,695	$	481,565
Recognized over time	184,823		199,554		577,645		574,817
Total	$	337,916	$	357,718	$	1,050,340	$	1,056,382

Net receivables



In thousands	November 30, 2019			March 2, 2019
Trade accounts	$	141,448		$	145,693
Construction contracts	23,096			19,050
Contract retainage	35,287			32,396
Total receivables	199,831			197,139
Less: allowance for doubtful accounts	(1,855		)	(4,372		)
Net receivables	$	197,976		$	192,767

Contract assets and liabilities



In thousands	November 30, 2019		March 2, 2019
Contract assets	$	107,571	$	87,491
Contract liabilities	28,863		24,083

Performance obligations expected to be satisfied

The performance obligations are expected to be satisfied, and the corresponding revenue to be recognized, over the following estimated time periods:



In thousands	November 30, 2019
Within one year	$	480,803
Within two years	344,827
Beyond	71,044
Total	$	896,674

Supplemental Balance Sheet Information - Other current liabilities (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Inventory Disclosure [Abstract]
Warranties	$ 10,601	$ 12,475
Accrued project losses	47,562	37,085
Property and other taxes	7,156	8,026
Accrued self-insurance reserves	9,297	9,537
Other	33,865	25,573
Total other current liabilities	$ 108,481	$ 92,696

Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Segment Information (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Sales and operating income data
Net sales	$ 337,916	$ 357,718	$ 1,050,340	$ 1,056,382
Operating income (loss)	21,594	31,408	72,210	82,062
Architectural Framing Systems
Sales and operating income data
Net sales	165,517	181,306	533,432	550,193
Operating income (loss)	6,345	12,903	34,141	43,554
Architectural Glass
Sales and operating income data
Net sales	89,433	98,524	288,862	263,533
Operating income (loss)	4,092	5,851	16,951	9,168
Architectural Services
Sales and operating income data
Net sales	69,043	72,828	195,787	220,051
Operating income (loss)	6,533	8,659	15,082	21,435
Large-Scale Optical
Sales and operating income data
Net sales	24,405	23,377	66,449	64,522
Operating income (loss)	6,754	6,628	15,561	15,845
Intersegment eliminations
Sales and operating income data
Net sales	(10,482)	(18,317)	(34,190)	(41,917)
Corporate and other
Sales and operating income data
Operating income (loss)	$ (2,130)	$ (2,633)	$ (9,525)	$ (7,940)

Summary of Significant Accounting Policies (Tables)	9 Months Ended
Summary of Significant Accounting Policies (Tables)	Nov. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Impact of new accounting guidance	Adoption of new accounting standards At the beginning of fiscal 2020, we adopted the guidance in ASC 842, Leases, following a modified retrospective approach and elected not to restate prior periods. Adoption of the new standard resulted in recording operating lease assets and liabilities of approximately $50 million as of March 3, 2019 and did not materially impact our consolidated net earnings and cash flows. Refer to additional information in Note 7.

Financial Instruments (Details Textual) - Designated as Hedging Instrument $ in Millions	Nov. 30, 2019 USD ($)
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 85.0
Foreign Exchange Forward
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 24.7

Debt (Details) $ in Millions	3 Months Ended	9 Months Ended
Debt (Details) $ in Millions	Nov. 30, 2019 USD ($)	Dec. 01, 2018 USD ($)	Nov. 30, 2019 CAD ($)	Nov. 30, 2019 USD ($)	Mar. 02, 2019 USD ($)
Line of Credit Facility [Line Items]
Term Loan				$ 150,000,000
Interest payments	$ 7,300,000	$ 7,200,000
Letter of credit
Line of Credit Facility [Line Items]
Debt				24,700,000
Revolving credit facility
Line of Credit Facility [Line Items]
Total debt outstanding				251,300,000	$ 245,800,000
Maximum borrowing capacity			$ 12.0	235,000,000
Outstanding borrowings			$ 0.0	80,500,000	$ 225,000,000.0
Industrial Revenue Bonds
Line of Credit Facility [Line Items]
Debt				20,400,000
Canada \| Industrial Revenue Bonds
Line of Credit Facility [Line Items]
Debt				$ 400,000

Commitments and Contingent Liabilities (Details 1) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018
Guarantees and warranties
Balance at beginning of period	$ 16,737	$ 22,517
Additional accruals	5,996	3,437
Claims paid	(7,807)	(8,398)
Balance at end of period	$ 14,926	$ 17,556

Financial Instruments (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 11,750
Estimated Fair Value	11,884
Municipal and Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,750	$ 12,481
Gross Unrealized Gains	152	59
Gross Unrealized Losses	18	108
Estimated Fair Value	$ 11,884	$ 12,432

Employee Benefit Plans (Details) $ in Thousands	3 Months Ended		9 Months Ended
Employee Benefit Plans (Details) $ in Thousands	Nov. 30, 2019 USD ($)	Dec. 01, 2018 USD ($)	Nov. 30, 2019 USD ($) plan	Dec. 01, 2018 USD ($)
Retirement Benefits [Abstract]
Number of defined-benefit pension plans \| plan			2
Components of net periodic benefit cost
Interest cost	$ 123	$ 127	$ 369	$ 381
Expected return on assets	(46)	(10)	(138)	(30)
Amortization of unrecognized net loss	55	57	165	171
Net periodic benefit cost	$ 132	$ 174	$ 396	$ 522

Employee Benefit Plans

9 Months Ended

Nov. 30, 2019

Retirement Benefits [Abstract]

Employee Benefit Plans

The Company sponsors two frozen defined-benefit pension plans: an unfunded Officers’ Supplemental Executive Retirement Plan and the Tubelite Inc. Hourly Employees’ Pension Plan. Components of net periodic benefit cost were:



	Three Months Ended						Nine Months Ended
In thousands	November 30, 2019			December 1, 2018			November 30, 2019			December 1, 2018
Interest cost	$	123		$	127		$	369		$	381
Expected return on assets	(46		)	(10		)	(138		)	(30		)
Amortization of unrecognized net loss	55			57			165			171
Net periodic benefit cost	$	132		$	174		$	396		$	522

Financial Instruments (Details 2) $ in Thousands	Nov. 30, 2019 USD ($)
Amortized Cost
Due within one year	$ 835
Due after one year through five years	8,581
Due after five years through 10 years	2,259
Due after 10 years through 15 years	0
Due beyond 15 years	75
Total	11,750
Estimated Fair Value
Due within one year	837
Due after one year through five years	8,710
Due after five years through 10 years	2,262
Due after 10 years through 15 years	0
Due beyond 15 years	75
Total	$ 11,884

Financial Instruments

9 Months Ended

Nov. 30, 2019

Marketable Securities [Abstract]

Financial Instruments

Marketable securities

Through our wholly-owned insurance subsidiary, Prism Assurance, Ltd. (Prism), we hold the following available-for-sale marketable securities, made up of municipal and corporate bonds:



In thousands	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
November 30, 2019	$	11,750	$	152	$	18	$	11,884
March 2, 2019	12,481		59		108		12,432

Prism insures a portion of our general liability, workers’ compensation and automobile liability risks using reinsurance agreements to meet statutory requirements. The reinsurance carrier requires Prism to maintain fixed-maturity investments for the purpose of providing collateral for Prism’s obligations under the reinsurance agreements.

The amortized cost and estimated fair values of these bonds at November 30, 2019, by contractual maturity, are shown below. Expected maturities may differ from contractual maturities, as borrowers may have the right to call or prepay obligations with or without penalty.



In thousands	Amortized Cost		Estimated Fair Value
Due within one year	$	835	$	837
Due after one year through five years	8,581		8,710
Due after five years through 10 years	2,259		2,262
Due after 10 years through 15 years	—		—
Due beyond 15 years	75		75
Total	$	11,750	$	11,884

Derivative instruments

In August 2019, we entered into an interest rate swap to hedge exposure to variability in cash flows from interest payments on our floating-rate revolving credit facility. As of November 30, 2019, the interest rate swap contract had a notional value of $85 million.

We periodically enter into forward purchase foreign currency cash flow hedge contracts, generally with an original maturity date of less than one year, to hedge foreign currency exchange rate risk. As of November 30, 2019, we held foreign exchange

forward contracts with a U.S. dollar notional value of $24.7 million, with the objective of reducing the exposure to fluctuations in the Canadian dollar and the Euro.

These derivative instruments are recorded within our consolidated balance sheets within other current assets and liabilities. Gains or losses associated with these instruments are recorded as a component of accumulated other comprehensive income.

Fair value measurements

Financial assets and liabilities are classified in the fair value hierarchy based on the lowest level input that is significant to the fair value measurement: Level 1 (unadjusted quoted prices in active markets for identical assets or liabilities); Level 2 (observable market inputs, other than quoted prices included in Level 1); and Level 3 (unobservable inputs that cannot be corroborated by observable market data). We do not have any Level 3 financial assets or liabilities.



In thousands	Quoted Prices in Active Markets (Level 1)		Other Observable Inputs (Level 2)		Total Fair Value
November 30, 2019
Assets:
Money market funds	$	2,680	$	—	$	2,680
Commercial paper	—		500		500
Municipal and corporate bonds	—		12,384		12,384
Liabilities:
Foreign currency forward/option contract	—		69		69
Interest rate swap contract	—		16		16

March 2, 2019
Assets:
Money market funds	$	2,015	$	—	$	2,015
Commercial paper	—		300		300
Municipal and corporate bonds	—		12,432		12,432
Liabilities:
Foreign currency forward/option contract	—		470		470

Money market funds and commercial paper

Fair value of money market funds was determined based on quoted prices for identical assets in active markets. Commercial paper was measured at fair value using inputs based on quoted prices for similar securities in active markets. These assets are included within cash and cash equivalents on our consolidated balance sheets.

Municipal and corporate bonds

Municipal and corporate bonds were measured at fair value based on market prices from recent trades of similar securities and are classified within our consolidated balance sheets as other current or other non-current assets based on maturity date.

Derivative instruments

The interest rate swap is measured at fair value using unobservable market inputs, based off of benchmark interest rates. Forward foreign exchange contracts are measured at fair value using unobservable market inputs, such as quotations on forward foreign exchange points and foreign currency exchange rates. Derivative positions are primarily valued using standard calculations and models that use as their basis readily observable market parameters. Industry standard data providers are our primary source for forward and spot rate information for both interest and currency rates.

Segment Information

9 Months Ended

Nov. 30, 2019

Segment Reporting [Abstract]

Segment Information

The Company has four reporting segments: Architectural Framing Systems, Architectural Glass, Architectural Services and Large-Scale Optical (LSO).

•

The Architectural Framing Systems segment designs, engineers, fabricates and finishes the aluminum frames used in customized aluminum and glass window, curtainwall, storefront and entrance systems comprising the outside skin and entrances of commercial, institutional and high-end multi-family residential buildings. The Company has aggregated six operating segments into this reporting segment based on their similar products, customers, distribution methods, production processes and economic characteristics.


•	The Architectural Glass segment fabricates coated, high-performance glass used in customized window and wall systems comprising the outside skin of commercial, institutional and high-end multi-family residential buildings.


•	The Architectural Services segment designs, engineers, fabricates and installs the walls of glass, windows and other curtainwall products making up the outside skin of commercial and institutional buildings.


•	The LSO segment manufactures value-added glass and acrylic products primarily for framing and display applications.



	Three Months Ended						Nine Months Ended
In thousands	November 30, 2019			December 1, 2018			November 30, 2019			December 1, 2018
Net sales from operations
Architectural Framing Systems	$	165,517		$	181,306		$	533,432		$	550,193
Architectural Glass	89,433			98,524			288,862			263,533
Architectural Services	69,043			72,828			195,787			220,051
Large-Scale Optical	24,405			23,377			66,449			64,522
Intersegment eliminations	(10,482		)	(18,317		)	(34,190		)	(41,917		)
Net sales	$	337,916		$	357,718		$	1,050,340		$	1,056,382
Operating income (loss) from operations
Architectural Framing Systems	$	6,345		$	12,903		$	34,141		$	43,554
Architectural Glass	4,092			5,851			16,951			9,168
Architectural Services	6,533			8,659			15,082			21,435
Large-Scale Optical	6,754			6,628			15,561			15,845
Corporate and other	(2,130		)	(2,633		)	(9,525		)	(7,940		)
Operating income	$	21,594		$	31,408		$	72,210		$	82,062

Due to the varying combinations and integration of individual window, storefront and curtainwall systems, it is impractical to report product revenues generated by class of product, beyond the segment revenues currently reported.

Goodwill and Other Identifiable Intangible Assets

9 Months Ended

Nov. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Identifiable Intangible Assets

The carrying amount of goodwill attributable to each reporting segment was:



In thousands	Architectural Framing Systems			Architectural Glass			Architectural Services		Large-Scale Optical		Total
Balance at March 3, 2018	$	143,308		$	25,971		$	1,120	$	10,557	$	180,956
Goodwill adjustments for purchase accounting	6,267			—			—		—		6,267
Foreign currency translation	(1,129		)	(262		)	—		—		(1,391		)
Balance at March 2, 2019	148,446			25,709			1,120		10,557		185,832
Foreign currency translation	47			(103		)	—		—		(56		)
Balance at November 30, 2019	$	148,493		$	25,606		$	1,120	$	10,557	$	185,776

The gross carrying amount of other intangible assets and related accumulated amortization was:



In thousands	Gross Carrying Amount		Accumulated Amortization			Impairment			Foreign Currency Translation			Net
November 30, 2019
Definite-lived intangible assets:
Customer relationships	$	120,238	$	(31,566	)	$	—		$	(20	)	$	88,652
Other intangibles	41,033		(32,274		)	—			(74		)	8,685
Total definite-lived intangible assets	161,271		(63,840		)	—			(94		)	97,337
Indefinite-lived intangible assets:
Trademarks	45,421		—			—			21			45,442
Total intangible assets	$	206,692	$	(63,840	)	$	—		$	(73	)	$	142,779
March 2, 2019
Definite-lived intangible assets:
Customer relationships	$	122,816	$	(26,637	)	$	—		$	(2,578	)	$	93,601
Other intangibles	41,697		(31,634		)	—			(850		)	9,213
Total definite-lived intangible assets	164,513		(58,271		)	—			(3,428		)	102,814
Indefinite-lived intangible assets:
Trademarks	49,078		—			(3,141		)	(516		)	45,421
Total intangible assets	$	213,591	$	(58,271	)	$	(3,141	)	$	(3,944	)	$	148,235

Amortization expense on definite-lived intangible assets was $5.7 million and $10.5 million for the nine-month periods ended November 30, 2019 and December 1, 2018, respectively. Amortization expense of other identifiable intangible assets is included in selling, general and administrative expenses. At November 30, 2019, the estimated future amortization expense for definite-lived intangible assets was:



In thousands	Remainder of Fiscal 2020		Fiscal 2021		Fiscal 2022		Fiscal 2023		Fiscal 2024
Estimated amortization expense	$	1,982	$	7,921	$	7,915	$	7,750	$	7,563

Goodwill and Other Identifiable Intangible Assets (Details Textual) - USD ($) $ in Millions	9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018
Goodwill and Other Identifiable Intangible Assets (Textual) [Abstract]
Amortization expense on identifiable intangible assets	$ 5.7	$ 10.5

Revenue, Receivables and Contract Assets and Liabilities (Details 3) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Revenue from Contract with Customer [Abstract]
Contract assets	$ 107,571	$ 87,491
Contract liabilities	$ 28,863	$ 24,083

Acquisition (Details 1) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019	Mar. 03, 2018
Business Acquisition [Line Items]
Goodwill	$ 185,776	$ 185,832	$ 180,956

Revenue, Receivables and Contract Assets and Liabilities (Details 5) $ in Thousands	Nov. 30, 2019 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-06-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	$ 480,803
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-06-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	344,827
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-06-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	71,044
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total	$ 896,674

Cover Page - shares	9 Months Ended
Cover Page - shares	Nov. 30, 2019	Jan. 07, 2020
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Nov. 30, 2019
Document Transition Report	false
Entity File Number	0-6365
Entity Registrant Name	APOGEE ENTERPRISES, INC.
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-0919654
Entity Address, Address Line One	4400 West 78th Street, Suite 520
Entity Address, City or Town	Minneapolis
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55435
City Area Code	952
Local Phone Number	835-1874
Title of 12(b) Security	Common stock, par value $0.33 1/3 per share
Trading Symbol	APOG
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		26,507,935
Entity Central Index Key	0000006845
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--02-29

Earnings per Share (Tables)

9 Months Ended

Nov. 30, 2019

Earnings Per Share [Abstract]

Reconciliation of basic and diluted earnings per share

The following table presents a reconciliation of the share amounts used in the computation of basic and diluted earnings per share:



	Three Months Ended		Nine Months Ended
In thousands	November 30, 2019	December 1, 2018	November 30, 2019	December 1, 2018
Basic earnings per share – weighted average common shares outstanding	26,432	27,836	26,481	28,030
Weighted average effect of nonvested share grants and assumed exercise of stock options	318	320	295	274
Diluted earnings per share – weighted average common shares and potential common shares outstanding	26,750	28,156	26,776	28,304
Stock awards excluded from the calculation of earnings per share because the effect was anti-dilutive (award price greater than average market price of the shares)	152	170	152	92

Earnings per Share

9 Months Ended

Nov. 30, 2019

Earnings Per Share [Abstract]

Earnings Per Share

Earnings per Share

The following table presents a reconciliation of the share amounts used in the computation of basic and diluted earnings per share:



	Three Months Ended		Nine Months Ended
In thousands	November 30, 2019	December 1, 2018	November 30, 2019	December 1, 2018
Basic earnings per share – weighted average common shares outstanding	26,432	27,836	26,481	28,030
Weighted average effect of nonvested share grants and assumed exercise of stock options	318	320	295	274
Diluted earnings per share – weighted average common shares and potential common shares outstanding	26,750	28,156	26,776	28,304
Stock awards excluded from the calculation of earnings per share because the effect was anti-dilutive (award price greater than average market price of the shares)	152	170	152	92

Consolidated Balance Sheets (unaudited) (Parenthetical) - $ / shares	Nov. 30, 2019	Mar. 02, 2019
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.33	$ 0.33
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	26,552,935	27,015,127
Common stock, shares outstanding	26,552,935	27,015,127

Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018
Operating Activities
Net earnings	$ 49,956	$ 57,778
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	34,681	38,378
Share-based compensation	4,617	4,724
Deferred income taxes	10,088	10,600
Gain on disposal of assets	623	2,499
Proceeds from New Markets Tax Credit transaction, net of deferred costs	0	8,850
Noncash lease expense	1,525	0
Other, net	(2,007)	(799)
Changes in operating assets and liabilities:
Receivables	(5,288)	9,291
Inventories	2,474	4,398
Costs and earnings on contracts in excess of billings	(17,156)	(54,569)
Accounts payable and accrued expenses	(22,457)	(20,072)
Billings on contracts in excess of costs and earnings	4,901	14,558
Refundable and accrued income taxes	(6,159)	1,831
Other	(951)	(1,825)
Net cash provided by operating activities	53,601	70,644
Investing Activities
Capital expenditures	(41,176)	(33,867)
Proceeds from sales of property, plant and equipment	591	12,332
Purchases of marketable securities	(4,201)	(9,006)
Sales/maturities of marketable securities	4,867	5,813
Other	(1,523)	(2,209)
Net cash used by investing activities	(41,442)	(26,937)
Financing Activities
Borrowings on line of credit	108,000	294,500
Proceeds from issuance of term debt	150,000	0
Payments on line of credit	252,500	278,000
Repurchase and retirement of common stock	20,010	23,313
Dividends paid	(13,808)	(13,180)
Other	(2,584)	(1,178)
Net cash used by financing activities	(30,902)	(21,171)
(Decrease) increase in cash and cash equivalents	(18,743)	22,536
Effect of exchange rates on cash	32	(498)
Cash, cash equivalents and restricted cash at beginning of year	29,241	19,359
Cash, cash equivalents and restricted cash at end of period	10,530	41,397
Noncash Activity
Capital expenditures in accounts payable	$ 1,205	$ 5,771

Revenue, Receivables and Contract Assets and Liabilities (Details 2) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 199,831	$ 197,139
Less: allowance for doubtful accounts	(1,855)	(4,372)
Net receivables	197,976	192,767
Trade accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	141,448	145,693
Construction contracts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	23,096	19,050
Contract retainage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 35,287	$ 32,396

Supplemental Balance Sheet Information (Tables)

9 Months Ended

Nov. 30, 2019

Inventory Disclosure [Abstract]

Components of inventories

Inventories



In thousands	November 30, 2019		March 2, 2019
Raw materials	$	39,746	$	43,890
Work-in-process	19,255		15,533
Finished goods	16,790		18,921
Total inventories	$	75,791	$	78,344

Other current assets



In thousands	November 30, 2019		March 2, 2019
Prepaid assets	$	11,662	$	11,682
Insurance receivable	15,000		—
Refundable income taxes	4,278		—
Other	9,395		4,769
Total other current assets	$	40,335	$	16,451

Other current liabilities



In thousands	November 30, 2019		March 2, 2019
Warranties	$	10,601	$	12,475
Accrued project losses	47,562		37,085
Property and other taxes	7,156		8,026
Accrued self-insurance reserves	9,297		9,537
Other	33,865		25,573
Total other current liabilities	$	108,481	$	92,696

Other non-current liabilities



In thousands	November 30, 2019		March 2, 2019
Deferred benefit from New Market Tax Credit transactions	$	15,717	$	26,458
Retirement plan obligations	7,633		7,633
Deferred compensation plan	11,743		10,408
Other	30,552		32,683
Total other non-current liabilities	$	65,645	$	77,182

Leases (Tables)

9 Months Ended

Nov. 30, 2019

Leases [Abstract]

Schedule of lease cost

The components of lease expense were as follows:



	Three Months Ended		Nine Months Ended
In thousands	November 30, 2019		November 30, 2019
Operating lease cost	$	3,445	$	10,308
Short-term lease cost	427		1,606
Variable lease cost	843		2,223
Total lease cost	$	4,715	$	14,137

Other supplemental information related to leases was as follows:



	Nine Months Ended
In thousands except weighted-average data	November 30, 2019
Cash paid for amounts included in the measurement of operating lease liabilities	$	10,335
Lease assets obtained in exchange for new operating lease liabilities	$	15,948
Weighted-average remaining lease term - operating leases	5.9 years
Weighted-average discount rate - operating leases	3.57		%

Schedule of operating lease liability

Future maturities of lease liabilities are as follows:



In thousands	November 30, 2019
Remainder of Fiscal 2020	$	3,366
Fiscal 2021	12,880
Fiscal 2022	11,256
Fiscal 2023	10,307
Fiscal 2024	8,147
Fiscal 2025	6,290
Thereafter	12,357
Total lease payments	64,603
Less: Amounts representing interest	(6,695		)
Present value of lease liabilities	$	57,908

Aggregate annual future rental commitments under operating leases with noncancellable terms of more than one year at March 2, 2019 were reported under previous lease accounting standards as follows:



In thousands	2020		2021	2022	2023	2024	Thereafter	Total
Total minimum payments	$	14,888	11,787	9,669	8,772	6,735	16,806	$	68,657

Share-Based Compensation

9 Months Ended

Nov. 30, 2019

Share-based Payment Arrangement [Abstract]

Share-Based Compensation

Total share-based compensation expense included in the results of operations was $4.6 million for the nine-month period ended November 30, 2019 and $4.7 million for the nine-month period ended December 1, 2018.

Stock options and SARs

Stock option and SAR activity for the current nine-month period is summarized as follows:



Stock options and SARs	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at March 2, 2019	100,341	$	8.34
Awards exercised	—	—
Outstanding and exercisable at November 30, 2019	100,341	8.34		1.8 years	$	3,000,196

No awards were exercised for the nine-months ended November 30, 2019. For the nine-months ended December 1, 2018, cash proceeds from the exercise of stock options were $0.2 million and the aggregate intrinsic value of securities exercised (the amount by which the stock price on the date of exercise exceeded the stock price of the award on the date of grant) was $0.6 million.

Nonvested shares and share units

Nonvested share activity for the current nine-month period is summarized as follows:



Nonvested shares and units	Number of Shares and Units		Weighted Average Grant Date Fair Value
Nonvested at March 2, 2019	286,613		$	47.00
Granted	125,571		39.53
Vested	(128,333	)	49.00
Canceled	(3,000	)	43.08
Nonvested at November 30, 2019	280,851		42.78

At November 30, 2019, there was $6.9 million of total unrecognized compensation cost related to nonvested share and nonvested share unit awards, which is expected to be recognized over a weighted average period of approximately 20 months. The total fair value of shares vested during the nine months ended November 30, 2019 was $5.1 million.

Financial Instruments (Tables)

9 Months Ended

Nov. 30, 2019

Marketable Securities [Abstract]

Amortized cost, gross unrealized gains and losses, and estimated fair values of investments available for sale

e hold the following available-for-sale marketable securities, made up of municipal and corporate bonds:



In thousands	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
November 30, 2019	$	11,750	$	152	$	18	$	11,884
March 2, 2019	12,481		59		108		12,432

Schedule of amortized cost and estimated fair values of investments by contractual maturity



In thousands	Amortized Cost		Estimated Fair Value
Due within one year	$	835	$	837
Due after one year through five years	8,581		8,710
Due after five years through 10 years	2,259		2,262
Due after 10 years through 15 years	—		—
Due beyond 15 years	75		75
Total	$	11,750	$	11,884

Fair value measurements



In thousands	Quoted Prices in Active Markets (Level 1)		Other Observable Inputs (Level 2)		Total Fair Value
November 30, 2019
Assets:
Money market funds	$	2,680	$	—	$	2,680
Commercial paper	—		500		500
Municipal and corporate bonds	—		12,384		12,384
Liabilities:
Foreign currency forward/option contract	—		69		69
Interest rate swap contract	—		16		16

March 2, 2019
Assets:
Money market funds	$	2,015	$	—	$	2,015
Commercial paper	—		300		300
Municipal and corporate bonds	—		12,432		12,432
Liabilities:
Foreign currency forward/option contract	—		470		470

- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

+ References + Details

Commitments and Contingent Liabilities

9 Months Ended

Nov. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingent Liabilities

Bond commitments

In the ordinary course of business, predominantly in our Architectural Services and Architectural Framing Systems segments, we are required to provide surety or performance bonds that commit payments to our customers for any non-performance. At November 30, 2019, $833.9 million of these types of bonds were outstanding, of which $432.6 million is on our backlog. These bonds do not have stated expiration dates. We have never been required to make payments under surety or performance bonds with respect to our existing businesses.

Warranty and project-related contingencies

We reserve estimated exposures on known claims, as well as on a portion of anticipated claims, for product warranty and rework cost, based on historical product liability claims as a ratio of sales. Claim costs are deducted from the accrual when paid. Factors that could have an impact on the warranty accrual in any given period include the following: changes in manufacturing quality, changes in product mix and any significant changes in sales volume. A warranty rollforward follows:



	Nine Months Ended
In thousands	November 30, 2019			December 1, 2018
Balance at beginning of period	$	16,737		$	22,517
Additional accruals	5,996			3,437
Claims paid	(7,807		)	(8,398		)
Balance at end of period	$	14,926		$	17,556

Additionally, we are subject to project management and installation-related contingencies as a result of our fixed-price material supply and installation service contracts, primarily in our Architectural Services segment and certain of our Architectural Framing Systems businesses. We manage the risk of these exposures through contract negotiations, proactive project management and insurance coverages. We have recorded an estimated liability related to a legacy EFCO project of $47.6 million and $42.8 million as of November 30, 2019 and March 2, 2019, respectively. This includes approximately $14.7 million recorded in the third quarter for estimated costs associated with project dispute resolution and other additional project costs. In the third quarter, upon confirmation of coverage by an insurer, we also recorded an insurance receivable of $15.0 million, included within other current assets on the consolidated balance sheets and within cost of sales on the consolidated results of operations. We received this payment subsequent to quarter-end.

Letters of credit

At November 30, 2019, we had $24.7 million of ongoing letters of credit, all of which have been issued under our committed revolving credit facility, as discussed in Note 6.

Purchase obligations

Purchase obligations for raw material commitments and capital expenditures totaled $146.0 million as of November 30, 2019.

New Markets Tax Credit (NMTC) transactions

We have entered into four separate NMTC programs to support our operational expansion, including two transactions completed in fiscal 2019. Proceeds received from investors on these transactions are included within other current and non-current liabilities on our consolidated balance sheets. The NMTC arrangements are subject to 100 percent tax recapture for a period of seven years from the date of each respective transaction. Therefore, upon the termination of each arrangement, these proceeds will be recognized in earnings in exchange for the transfer of tax credits. The direct and incremental costs incurred in structuring these arrangements have been deferred and are included in other current and non-current assets on our consolidated balance sheets. These costs will be recognized in conjunction with the recognition of the related proceeds on each arrangement. During the construction phase, we are required to hold cash dedicated to fund each capital project which is classified as restricted cash on our consolidated balance sheets. Variable-interest entities, which have been included within our consolidated financial statements, have been created as a result of the structure of these transactions, as investors in the programs do not have a material interest in their underlying economics.

The table below provides a summary of our outstanding NMTC transactions (in millions):



Inception date	Termination date	Proceeds received		Deferred costs		Net benefit
November 2013	October 2020	$	10.7	$	3.0	$	7.7
June 2016	May 2023	6.0		0.9		5.1
August 2018	July 2025	6.6		0.9		5.7
September 2018	August 2025	3.2		0.8		2.4
Total		$	26.5	$	5.6	$	20.9

Litigation

On November 5, 2018, a shareholder filed a purported securities class action against the Company and certain named executive officers. On April 26, 2019, the new lead plaintiff filed an amended complaint, alleging that, during the purported class period of May 1, 2017 to April 10, 2019, the Company and the named executive officers made materially false or misleading statements or omissions about the Company's acquisition of EFCO Corporation on June 12, 2017, and about the Company's Architectural Glass business segment, in violation of the federal securities laws. We intend to vigorously defend this matter.

On December 17, 2018, a different shareholder filed a derivative lawsuit, purportedly on behalf of the Company, against certain of our executive officers and directors claiming breaches of fiduciary duty, waste of corporate assets and unjust enrichment. This complaint alleges that the officers and directors allegedly made materially false or misleading statements or omissions about the Company's business, operations and prospects, particularly with respect to our Architectural Glass business segment, during the period between June 28, 2018 and September 17, 2018. This matter has been stayed, pending resolution of a motion to dismiss the foregoing matter. We intend to vigorously defend this matter.

In addition to the foregoing, the Company is a party to various legal proceedings incidental to its normal operating activities. In particular, like others in the construction supply and services industry, the Company is routinely involved in various disputes and claims arising out of construction projects, sometimes involving significant monetary damages or product replacement. The Company is also subject to litigation arising out of areas such as employment practices, workers compensation and general liability matters. Although it is very difficult to accurately predict the outcome of any such proceedings, facts currently available indicate that no matters will result in losses that would have a material adverse effect on the results of operations, cash flows or financial condition of the Company.

Leases Leases

9 Months Ended

Nov. 30, 2019

Leases [Abstract]

Leases

We lease certain of the buildings and equipment used in our operations. We determine if an arrangement contains a lease at inception. Currently, all of our lease arrangements are classified as operating leases. We elected the package of practical expedients permitted under the transition guidance in adopting ASC 842, which among other things, allowed us to carry forward our historical lease classification. Operating lease assets and liabilities are recognized at the lease commencement date based on the present value of lease payments over the lease term and lease expense is recognized on a straight-line basis over the lease term. Our leases have remaining lease terms of one to ten years, some of which include renewal options that can extend the lease for up to an additional ten years at our sole discretion. We have made an accounting policy election not to record leases with an original term of 12 months or less on our consolidated balance sheet and such leases are expensed on a straight-line basis over the lease term.

In determining lease asset value, we consider fixed or variable payment terms, prepayments, incentives, and options to extend, terminate or purchase. Renewal, termination or purchase options affect the lease term used for determining lease asset value only if the option is reasonably certain to be exercised. We use a discount rate for each lease based upon an estimated incremental borrowing rate over a similar term. We have elected the practical expedient to account for lease and nonlease components (e.g., common-area maintenance costs) as a single lease component. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. We are not a lessor in any transactions.

The components of lease expense were as follows:



	Three Months Ended		Nine Months Ended
In thousands	November 30, 2019		November 30, 2019
Operating lease cost	$	3,445	$	10,308
Short-term lease cost	427		1,606
Variable lease cost	843		2,223
Total lease cost	$	4,715	$	14,137

Other supplemental information related to leases was as follows:



	Nine Months Ended
In thousands except weighted-average data	November 30, 2019
Cash paid for amounts included in the measurement of operating lease liabilities	$	10,335
Lease assets obtained in exchange for new operating lease liabilities	$	15,948
Weighted-average remaining lease term - operating leases	5.9 years
Weighted-average discount rate - operating leases	3.57		%

Future maturities of lease liabilities are as follows:



In thousands	November 30, 2019
Remainder of Fiscal 2020	$	3,366
Fiscal 2021	12,880
Fiscal 2022	11,256
Fiscal 2023	10,307
Fiscal 2024	8,147
Fiscal 2025	6,290
Thereafter	12,357
Total lease payments	64,603
Less: Amounts representing interest	(6,695		)
Present value of lease liabilities	$	57,908

As of November 30, 2019, we have no additional future operating lease commitments for leases that have not yet commenced.

Aggregate annual future rental commitments under operating leases with noncancellable terms of more than one year at March 2, 2019 were reported under previous lease accounting standards as follows:



In thousands	2020		2021	2022	2023	2024	Thereafter	Total
Total minimum payments	$	14,888	11,787	9,669	8,772	6,735	16,806	$	68,657

Consolidated Results of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Income Statement [Abstract]
Net sales	$ 337,916	$ 357,718	$ 1,050,340	$ 1,056,382
Cost of sales	263,606	273,628	808,856	807,096
Gross profit	74,310	84,090	241,484	249,286
Selling, general and administrative expenses	52,716	52,682	169,274	167,224
Operating income	21,594	31,408	72,210	82,062
Interest and other expense, net	1,764	2,787	6,577	6,254
Earnings before income taxes	19,830	28,621	65,633	75,808
Income tax expense	4,596	6,730	15,677	18,030
Net earnings	$ 15,234	$ 21,891	$ 49,956	$ 57,778
Earnings per share - basic
Earnings per share - basic	$ 0.58	$ 0.79	$ 1.89	$ 2.06
Earnings per share - diluted
Earnings per share - diluted	$ 0.57	$ 0.78	$ 1.87	$ 2.04
Weighted average basic shares outstanding	26,432	27,836	26,481	28,030
Weighted average diluted shares outstanding	26,750	28,156	26,776	28,304

Commitments and Contingent Liabilities (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2019	Mar. 02, 2019
Commitments and Contingencies Disclosure [Abstract]
Face value of performance bonds	$ 833,900
Companies Backlog Related to Sales	432,600
Line of Credit Facility [Line Items]
Project related liability	47,600	$ 42,800
Project Related Liability QTD	14,700
Insurance receivable	15,000	$ 0
Purchase obligations	146,000
Industrial Revenue Bonds
Line of Credit Facility [Line Items]
Debt	$ 20,400

Leases (Details 3) $ in Thousands	3 Months Ended	9 Months Ended
Leases (Details 3) $ in Thousands	Nov. 30, 2019 USD ($)	Nov. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Lease cost	$ 4,715	$ 14,137
Lease payments	$ 64,603	$ 64,603

Income Taxes	9 Months Ended
Income Taxes	Nov. 30, 2019
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company files income tax returns in the U.S. federal jurisdiction, various U.S. state jurisdictions, Canada, Brazil and other international jurisdictions. The Company is no longer subject to U.S. federal tax examinations for years prior to fiscal 2017, or state and local income tax examinations for years prior to fiscal 2013. The Company is not currently under U.S. federal examination for years subsequent to fiscal year 2016, and there is limited audit activity of the Company’s income tax returns in U.S. state jurisdictions or international jurisdictions. The total liability for unrecognized tax benefits was approximately $5.2 million at November 30, 2019 and $5.1 million at March 2, 2019. Penalties and interest related to unrecognized tax benefits are recorded in income tax expense. The total liability for unrecognized tax benefits is expected to decrease by approximately $0.4 million during the next 12 months due to lapsing of statutes.

Share-Based Compensation (Details 2)	9 Months Ended
Share-Based Compensation (Details 2)	Nov. 30, 2019 $ / shares shares
Nonvested share award transactions
Nonvested Number, Beginning \| shares	286,613
Number of shares, Granted \| shares	125,571
Number of shares, Vested \| shares	(128,333)
Number of shares, Canceled \| shares	(3,000)
Nonvested Number, Ending \| shares	280,851
Nonvested share award transactions, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted average grant date fair value, Beginning \| $ / shares	$ 47.00
Weighted average grant date fair value, Granted \| $ / shares	39.53
Weighted average grant date fair value, Vested \| $ / shares	49.00
Weighted average grant date fair value, Canceled \| $ / shares	43.08
Weighted average grant date fair value, Ending \| $ / shares	$ 42.78

Commitments and Contingent Liabilities (Tables) - USD ($)
$ in Thousands

9 Months Ended

Nov. 30, 2019

Dec. 01, 2018

Commitments and Contingencies Disclosure [Abstract]

Guarantees and warranties

A warranty rollforward follows:



	Nine Months Ended
In thousands	November 30, 2019			December 1, 2018
Balance at beginning of period	$	16,737		$	22,517
Additional accruals	5,996			3,437
Claims paid	(7,807		)	(8,398		)
Balance at end of period	$	14,926		$	17,556

Proceeds from New Markets Tax Credit transaction, net of deferred costs

$ 0

$ 8,850

Consolidated Statement of Shareholders Equity (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	Jun. 01, 2019	Dec. 01, 2018	Sep. 01, 2018	Jun. 02, 2018	Nov. 30, 2019	Dec. 01, 2018
Statement of Stockholders' Equity [Abstract]
Tax expense (benefit) on marketable securities	$ (11)	$ 2	$ 47	$ (16)	$ (11)	$ 2	$ 38	$ (25)
Tax expense (benefit) on foreign currency hedge	$ (119)	$ (25)	$ (2)	$ (10)	$ 17	$ 92	$ (146)	$ 99

Revenue, Receivables and Contract Assets and Liabilities

9 Months Ended

Nov. 30, 2019

Revenue from Contract with Customer [Abstract]

Revenue, Receivables and Contract Assets and Liabilities

Revenue

The following table disaggregates total revenue by timing of recognition (see Note 13 for disclosure of revenue by segment):



	Three Months Ended				Nine Months Ended
In thousands	November 30, 2019		December 1, 2018		November 30, 2019		December 1, 2018
Recognized at shipment	$	153,093	$	158,164	$	472,695	$	481,565
Recognized over time	184,823		199,554		577,645		574,817
Total	$	337,916	$	357,718	$	1,050,340	$	1,056,382

Receivables

Trade and construction accounts receivable consist of amounts billed and due from customers. The amounts due are stated at their estimated net realizable value. We maintain an allowance for doubtful accounts to provide for the estimated amount of receivables that will not be collected. This allowance is based on an assessment of customer creditworthiness, historical payment experience and the age of outstanding receivables. Retainage on construction contracts represents amounts withheld by our customers on long-term projects until the project reaches a level of completion where amounts are released.



In thousands	November 30, 2019			March 2, 2019
Trade accounts	$	141,448		$	145,693
Construction contracts	23,096			19,050
Contract retainage	35,287			32,396
Total receivables	199,831			197,139
Less: allowance for doubtful accounts	(1,855		)	(4,372		)
Net receivables	$	197,976		$	192,767

Contract assets and liabilities

Contract assets consist of retainage, costs and earnings in excess of billings and other unbilled amounts typically generated when revenue recognized exceeds the amount billed to the customer. Contract liabilities consist of billings in excess of costs and earnings and other deferred revenue on contracts. Retainage is classified within receivables and deferred revenue is classified within other current liabilities on our consolidated balance sheets.

The time period between when performance obligations are complete and when payment is due is not significant. In certain of our businesses that recognize revenue over time, progress billings follow an agreed-upon schedule of values, and retainage is withheld by the customer until the project reaches a level of completion where amounts are released.



In thousands	November 30, 2019		March 2, 2019
Contract assets	$	107,571	$	87,491
Contract liabilities	28,863		24,083

The increase in contract assets was due to timing of costs incurred in advance of billings, primarily on a legacy EFCO project. The change in contract liabilities was due to timing of project activity within our businesses that operate under long-term contracts.



Other contract-related disclosures	Three Months Ended				Nine Months Ended
In thousands	November 30, 2019		December 1, 2018		November 30, 2019		December 1, 2018
Revenue recognized related to contract liabilities from prior year-end	$	4,589	$	—	$	22,044	$	10,398
Revenue recognized related to prior satisfaction of performance obligations	1,776		1,470		5,298		3,798

Some of our contracts have an expected duration of longer than a year, with performance obligations extending over that timeframe. Generally these contracts are in our businesses with long-term contracts which recognize revenue over time. As of November 30, 2019, the transaction price associated with unsatisfied performance obligations was approximately $896.7 million. The performance obligations are expected to be satisfied, and the corresponding revenue to be recognized, over the following estimated time periods:



In thousands	November 30, 2019
Within one year	$	480,803
Within two years	344,827
Beyond	71,044
Total	$	896,674

Share-Based Compensation (Details 1) - USD ($)	3 Months Ended		9 Months Ended
Share-Based Compensation (Details 1) - USD ($)	Nov. 30, 2019	Jun. 02, 2018	Nov. 30, 2019
Award transactions on stock options
Outstanding, Beginning			100,341
Outstanding shares awards exercised		(19,000)
Outstanding, Ending	100,341		100,341
Award transactions on stock options, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, Beginning			$ 8.34
Weighted average exercise price, Awards exercised			0
Weighted average exercise price, Ending	$ 8.34		$ 8.34
Weighted average remaining contractual life, Outstanding	1 year 9 months 18 days
Aggregate intrinsic value, Outstanding	$ 3,000,196		$ 3,000,196
Deferred Compensation, Share-based Payments [Member]
Award transactions on stock options
Outstanding shares awards exercised			0

Supplemental Balance Sheet Information - Other non-current liabilities (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Inventory Disclosure [Abstract]
Deferred benefit from New Market Tax Credit transactions	$ 15,717	$ 26,458
Retirement plan obligations	7,633	7,633
Deferred compensation plan	11,743	10,408
Other	30,552	32,683
Total other non-current liabilities	$ 65,645	$ 77,182

Share-Based Compensation (Tables)

9 Months Ended

Nov. 30, 2019

Share-based Payment Arrangement [Abstract]

Award transactions on stock options

Stock option and SAR activity for the current nine-month period is summarized as follows:



Stock options and SARs	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at March 2, 2019	100,341	$	8.34
Awards exercised	—	—
Outstanding and exercisable at November 30, 2019	100,341	8.34		1.8 years	$	3,000,196

Nonvested share award transactions

Nonvested share activity for the current nine-month period is summarized as follows:



Nonvested shares and units	Number of Shares and Units		Weighted Average Grant Date Fair Value
Nonvested at March 2, 2019	286,613		$	47.00
Granted	125,571		39.53
Vested	(128,333	)	49.00
Canceled	(3,000	)	43.08
Nonvested at November 30, 2019	280,851		42.78

Commitments and Contingent Liabilities (Details 2)	9 Months Ended
Commitments and Contingent Liabilities (Details 2)	Nov. 30, 2019 USD ($)
Income Tax Contingency [Line Items]
Proceeds received	$ 26,500
Deferred costs	5,600
Net benefit	20,900
October 2020
Income Tax Contingency [Line Items]
Proceeds received	10,700
Deferred costs	3,000.0
Net benefit	7,700
May 2023
Income Tax Contingency [Line Items]
Proceeds received	6,000.0
Deferred costs	900
Net benefit	5,100
July 2025
Income Tax Contingency [Line Items]
Proceeds received	6,600
Deferred costs	900
Net benefit	5,700
August 2025
Income Tax Contingency [Line Items]
Proceeds received	3,200
Deferred costs	800
Net benefit	$ 2,400

Goodwill and Other Identifiable Intangible Assets (Tables)

9 Months Ended

Nov. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill attributable to each business segment

The carrying amount of goodwill attributable to each reporting segment was:



In thousands	Architectural Framing Systems			Architectural Glass			Architectural Services		Large-Scale Optical		Total
Balance at March 3, 2018	$	143,308		$	25,971		$	1,120	$	10,557	$	180,956
Goodwill adjustments for purchase accounting	6,267			—			—		—		6,267
Foreign currency translation	(1,129		)	(262		)	—		—		(1,391		)
Balance at March 2, 2019	148,446			25,709			1,120		10,557		185,832
Foreign currency translation	47			(103		)	—		—		(56		)
Balance at November 30, 2019	$	148,493		$	25,606		$	1,120	$	10,557	$	185,776

Schedule of finite lived intangible assets

The gross carrying amount of other intangible assets and related accumulated amortization was:



In thousands	Gross Carrying Amount		Accumulated Amortization			Impairment			Foreign Currency Translation			Net
November 30, 2019
Definite-lived intangible assets:
Customer relationships	$	120,238	$	(31,566	)	$	—		$	(20	)	$	88,652
Other intangibles	41,033		(32,274		)	—			(74		)	8,685
Total definite-lived intangible assets	161,271		(63,840		)	—			(94		)	97,337
Indefinite-lived intangible assets:
Trademarks	45,421		—			—			21			45,442
Total intangible assets	$	206,692	$	(63,840	)	$	—		$	(73	)	$	142,779
March 2, 2019
Definite-lived intangible assets:
Customer relationships	$	122,816	$	(26,637	)	$	—		$	(2,578	)	$	93,601
Other intangibles	41,697		(31,634		)	—			(850		)	9,213
Total definite-lived intangible assets	164,513		(58,271		)	—			(3,428		)	102,814
Indefinite-lived intangible assets:
Trademarks	49,078		—			(3,141		)	(516		)	45,421
Total intangible assets	$	213,591	$	(58,271	)	$	(3,141	)	$	(3,944	)	$	148,235

Schedule of estimated future amortization expense for identifiable intangible assets

At November 30, 2019, the estimated future amortization expense for definite-lived intangible assets was:



In thousands	Remainder of Fiscal 2020		Fiscal 2021		Fiscal 2022		Fiscal 2023		Fiscal 2024
Estimated amortization expense	$	1,982	$	7,921	$	7,915	$	7,750	$	7,563

Consolidated Statements of Comprehensive Earnings (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Nov. 30, 2019	Aug. 31, 2019	Jun. 01, 2019	Dec. 01, 2018	Sep. 01, 2018	Jun. 02, 2018	Nov. 30, 2019	Dec. 01, 2018
Statement of Comprehensive Income [Abstract]
Tax (benefit) expense on marketable securities	$ (11)	$ 2	$ 47	$ (16)	$ (11)	$ 2	$ 38	$ (25)
Tax expense (benefit) on foreign currency hedge	$ (119)	$ (25)	$ (2)	$ (10)	$ 17	$ 92	$ (146)	$ 99

Revenue, Receivables and Contract Assets and Liabilities (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Revenue from Contract with Customer [Abstract]
Revenue recognized related to contract liabilities from prior year-end	$ 4,589	$ 0	$ 22,044	$ 10,398
Revenue recognized related to prior satisfaction of performance obligations	$ 1,776	$ 1,470	$ 5,298	$ 3,798

Segment Information (Tables)

9 Months Ended

Nov. 30, 2019

Segment Reporting [Abstract]

Sales and operating income data



	Three Months Ended						Nine Months Ended
In thousands	November 30, 2019			December 1, 2018			November 30, 2019			December 1, 2018
Net sales from operations
Architectural Framing Systems	$	165,517		$	181,306		$	533,432		$	550,193
Architectural Glass	89,433			98,524			288,862			263,533
Architectural Services	69,043			72,828			195,787			220,051
Large-Scale Optical	24,405			23,377			66,449			64,522
Intersegment eliminations	(10,482		)	(18,317		)	(34,190		)	(41,917		)
Net sales	$	337,916		$	357,718		$	1,050,340		$	1,056,382
Operating income (loss) from operations
Architectural Framing Systems	$	6,345		$	12,903		$	34,141		$	43,554
Architectural Glass	4,092			5,851			16,951			9,168
Architectural Services	6,533			8,659			15,082			21,435
Large-Scale Optical	6,754			6,628			15,561			15,845
Corporate and other	(2,130		)	(2,633		)	(9,525		)	(7,940		)
Operating income	$	21,594		$	31,408		$	72,210		$	82,062

Supplemental Balance Sheet Information - Components of inventories (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Inventory Disclosure [Abstract]
Raw materials	$ 39,746	$ 43,890
Work-in-process	19,255	15,533
Finished goods	16,790	18,921
Total inventories	$ 75,791	$ 78,344

Earnings per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
Earnings per Share (Details) - shares shares in Thousands	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Reconciliation of basic and diluted earnings per share
Basic earnings per share – weighted average common shares outstanding	26,432	27,836	26,481	28,030
Weighted average effect of nonvested share grants and assumed exercise of stock options	318	320	295	274
Diluted earnings per share – weighted average common shares and potential common shares outstanding	26,750	28,156	26,776	28,304
Stock awards excluded from the calculation of earnings per share because the effect was anti-dilutive (award price greater than average market price of the shares)	152	170	152	92

Summary of Significant Accounting Policies (Details 3) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 03, 2019	Mar. 02, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Operating lease assets	$ 56,315	$ 50,000	$ 0
Operating lease liabilities	$ 57,908	$ 50,000

Goodwill and Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Nov. 30, 2019	Mar. 02, 2019
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	$ 185,832	$ 180,956
Goodwill adjustments for purchase accounting		6,267
Foreign currency translation	(56)	(1,391)
Goodwill, Ending	185,776	185,832
Architectural Glass
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	25,709	25,971
Goodwill adjustments for purchase accounting		0
Foreign currency translation	(103)	(262)
Goodwill, Ending	25,606	25,709
Architectural Framing Systems
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	148,446	143,308
Goodwill adjustments for purchase accounting		6,267
Foreign currency translation	47	(1,129)
Goodwill, Ending	148,493	148,446
Architectural Services
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	1,120	1,120
Goodwill adjustments for purchase accounting		0
Foreign currency translation	0	0
Goodwill, Ending	1,120	1,120
Large-Scale Optical
Schedule of goodwill attributable to each business segment
Goodwill, Beginning	10,557	10,557
Goodwill adjustments for purchase accounting		0
Foreign currency translation	0	0
Goodwill, Ending	$ 10,557	$ 10,557

Share-Based Compensation (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Nov. 30, 2019	Nov. 30, 2019	Dec. 01, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Noncash Expense		$ 4,617	$ 4,724
Cash proceeds from exercise of stock options			200
Aggregate intrinsic value of securities			$ 600
Total unrecognized compensation cost related to nonvested share	$ 6,900	6,900
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period, Nonvested	20 months
Total fair value of shares vested		$ 5,100

Summary of Significant Accounting Policies	9 Months Ended
Summary of Significant Accounting Policies	Nov. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Basis of presentation The consolidated financial statements of Apogee Enterprises, Inc. (we, us, our or the Company) have been prepared in accordance with accounting principles generally accepted in the United States. The information included in this Form 10-Q should be read in conjunction with the Company’s Form 10-K for the year ended March 2, 2019. We use the same accounting policies in preparing quarterly and annual financial statements. All adjustments necessary for a fair presentation of quarterly operating results are reflected herein and are of a normal, recurring nature. The results of operations for the nine-month period ended November 30, 2019 are not necessarily indicative of the results to be expected for the full year. Adoption of new accounting standards At the beginning of fiscal 2020, we adopted the guidance in ASC 842, Leases, following a modified retrospective approach and elected not to restate prior periods. Adoption of the new standard resulted in recording operating lease assets and liabilities of approximately $50 million as of March 3, 2019 and did not materially impact our consolidated net earnings and cash flows. Refer to additional information in Note 7. Accounting standards not yet adopted In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments, which revises guidance for the accounting for credit losses on financial instruments within its scope. The new standard introduces an approach based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale debt securities. This ASU is effective for our fiscal year 2021. Entities are required to apply the standard's provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is adopted. We do not expect the adoption of this ASU to have a significant impact on our consolidated financial statements. Subsequent events We have evaluated subsequent events for potential recognition and disclosure through the date of this filing and determined that there were no subsequent events that required recognition or disclosure in the consolidated financial statements.

Revenue, Receivables and Contract Assets and Liabilities (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Disaggregation of Revenue [Line Items]
Total	$ 337,916	$ 357,718	$ 1,050,340	$ 1,056,382
Recognized at shipment
Disaggregation of Revenue [Line Items]
Total	153,093	158,164	472,695	481,565
Recognized over time
Disaggregation of Revenue [Line Items]
Total	$ 184,823	$ 199,554	$ 577,645	$ 574,817

Leases (Details 1) $ in Thousands	9 Months Ended
Leases (Details 1) $ in Thousands	Nov. 30, 2019 USD ($)
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 10,335
Lease assets obtained in exchange for new operating lease liabilities	$ 15,948
Weighted-average remaining lease term - operating leases	5 years 10 months 24 days
Weighted-average discount rate - operating leases	3.57%

Income Taxes (Details) - USD ($) $ in Millions	Nov. 30, 2019	Mar. 02, 2019
Income Tax Disclosure [Abstract]
Liability for uncertain tax positions, current and noncurrent	$ 5.2	$ 5.1
Liability for unrecognized tax benefit, expected decrease	$ 0.4

Employee Benefit Plans (Tables)

9 Months Ended

Nov. 30, 2019

Retirement Benefits [Abstract]

Components of net periodic benefit cost

Components of net periodic benefit cost were:



	Three Months Ended						Nine Months Ended
In thousands	November 30, 2019			December 1, 2018			November 30, 2019			December 1, 2018
Interest cost	$	123		$	127		$	369		$	381
Expected return on assets	(46		)	(10		)	(138		)	(30		)
Amortization of unrecognized net loss	55			57			165			171
Net periodic benefit cost	$	132		$	174		$	396		$	522

Supplemental Balance Sheet Information

9 Months Ended

Nov. 30, 2019

Inventory Disclosure [Abstract]

Supplemental Balance Sheet Information

Inventories



In thousands	November 30, 2019		March 2, 2019
Raw materials	$	39,746	$	43,890
Work-in-process	19,255		15,533
Finished goods	16,790		18,921
Total inventories	$	75,791	$	78,344

Other current assets



In thousands	November 30, 2019		March 2, 2019
Prepaid assets	$	11,662	$	11,682
Insurance receivable	15,000		—
Refundable income taxes	4,278		—
Other	9,395		4,769
Total other current assets	$	40,335	$	16,451

Other current liabilities



In thousands	November 30, 2019		March 2, 2019
Warranties	$	10,601	$	12,475
Accrued project losses	47,562		37,085
Property and other taxes	7,156		8,026
Accrued self-insurance reserves	9,297		9,537
Other	33,865		25,573
Total other current liabilities	$	108,481	$	92,696

Other non-current liabilities



In thousands	November 30, 2019		March 2, 2019
Deferred benefit from New Market Tax Credit transactions	$	15,717	$	26,458
Retirement plan obligations	7,633		7,633
Deferred compensation plan	11,743		10,408
Other	30,552		32,683
Total other non-current liabilities	$	65,645	$	77,182

Supplemental Balance Sheet Information - Other current assets (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Mar. 02, 2019
Inventory Disclosure [Abstract]
Prepaid assets	$ 11,662	$ 11,682
Insurance receivable	15,000	0
Refundable income taxes	4,278	0
Other	9,395	4,769
Total other current assets	$ 40,335	$ 16,451

Leases (Details 4) $ in Thousands	Mar. 02, 2019 USD ($)
Leases [Abstract]
2020	$ 14,888
2021	11,787
2022	9,669
2023	8,772
2024	6,735
Thereafter	16,806
Total	$ 68,657