Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 01, 2019	Jun. 02, 2018
Operating Activities
Net earnings	$ 15,443	$ 15,373
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	11,102	14,050
Stock-based compensation	1,618	1,514
Deferred income taxes	6,438	4,094
Cash flows from operating leases	2,902	0
Other, net	(1,762)	(440)
Changes in operating assets and liabilities:
Receivables	(16,982)	26,183
Inventories	835	6,578
Costs and earnings on contracts in excess of billings	(6,007)	(35,258)
Accounts payable and accrued expenses	(16,834)	(19,715)
Billings in excess of costs and earnings on uncompleted contracts	(1,198)	11,933
Refundable and accrued income taxes	(4,369)	301
Other, net	(928)	730
Net cash provided by (used in) operating activities	(9,742)	25,343
Investing Activities
Capital expenditures	(11,198)	(9,327)
Purchases of marketable securities	(880)	(8,619)
Sales/maturities of marketable securities	1,112	2,495
Other	(1,056)	(779)
Net cash provided by (used in) investing activities	(12,022)	(16,230)
Financing Activities
Borrowings on line of credit	103,000	90,000
Payments on line of credit	55,500	92,000
Repurchase and retirement of common stock	20,010	0
Dividends paid	(4,598)	(4,410)
Proceeds from (Payments for) Other Financing Activities	(1,270)	(721)
Net cash provided by (used in) financing activities	21,622	(7,131)
Decrease in cash and cash equivalents	(142)	1,982
Effect of exchange rates on cash	(143)	279
Cash, cash equivalents and restricted cash at beginning of year	29,241	19,359
Cash, cash equivalents and restricted cash at end of period	28,956	21,620
Noncash Activity
Capital expenditures in accounts payable	$ 1,667	$ 2,162