Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 28, 2020	Nov. 30, 2019
Operating Activities
Net earnings	$ 57,807	$ 49,956
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	38,000	34,681
Share-based compensation	6,163	4,617
Deferred income taxes	5,012	10,088
Gain on disposal of assets	(19,346)	(623)
Noncash lease expense	9,531	8,993
Other, net	(69)	(2,007)
Changes in operating assets and liabilities:
Receivables	24,153	(5,288)
Inventories	(2,722)	2,474
Costs and earnings on contracts in excess of billings	(44,501)	17,156
Accounts payable and accrued expenses	(43,915)	(22,457)
Billings on contracts in excess of costs and earnings	(6,981)	4,901
Refundable and accrued income taxes	12,424	(6,159)
Operating lease liability	(9,168)	(7,468)
Other	5,122	(951)
Net cash provided by operating activities	120,512	53,601
Investing Activities
Capital expenditures	(17,116)	(41,176)
Proceeds from sales of property, plant and equipment	23,724	591
Other	(1,090)	(857)
Net cash provided (used) by investing activities	5,518	(41,442)
Financing Activities
Borrowings on line of credit	193,332	108,000
(Repayment) borrowings on debt	(5,400)	150,000
Payments on line of credit	237,500	252,500
Repurchase and retirement of common stock	20,731	20,010
Dividends paid	(14,546)	(13,808)
Other	(853)	(2,584)
Net cash used by financing activities	(85,698)	(30,902)
Increase (decrease) in cash and cash equivalents	40,332	(18,743)
Effect of exchange rates on cash	129	32
Cash, cash equivalents and restricted cash at beginning of year	14,952	29,241
Cash, cash equivalents and restricted cash at end of period	55,413	10,530
Noncash Activity
Capital expenditures in accounts payable	$ 684	$ 1,205