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