Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 02, 2018	Jun. 03, 2017
Operating Activities
Net earnings	$ 15,373	$ 16,104
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	14,050	11,423
Stock-based compensation	1,514	1,403
Deferred income taxes	4,094	2,540
Other, net	(440)	(1,223)
Changes in operating assets and liabilities:
Receivables	26,183	5,125
Inventories	6,578	(8,093)
Costs and earnings on contracts in excess of billings	(35,258)	381
Accounts payable and accrued expenses	(19,715)	(30,736)
Billings in excess of costs and earnings on uncompleted contracts	11,933	5,109
Refundable and accrued income taxes	301	4,867
Other, net	730	(988)
Net cash provided by (used in) operating activities	25,343	5,912
Investing Activities
Capital expenditures	(9,327)	(11,430)
Proceeds from sales of property, plant and equipment	706	0
Purchases of marketable securities	(8,619)	(1,535)
Sales/maturities of marketable securities	2,495	3,220
Other, net	(1,485)	1,742
Net cash provided by (used in) investing activities	(16,230)	(8,003)
Financing Activities
Borrowings on line of credit	90,000	37,000
Payments on line of credit	92,000	31,000
Shares withheld for taxes, net of stock issued to employees	(1,433)	(1,596)
Dividends paid	(4,410)	(4,002)
Proceeds from (Payments for) Other Financing Activities	712	0
Net cash provided by (used in) financing activities	(7,131)	402
Decrease in cash and cash equivalents	1,982	(1,689)
Effect of exchange rates on cash	279	47
Cash and cash equivalents at beginning of year	19,359	27,297
Cash and cash equivalents at end of period	21,620	25,655
Noncash Activity
Capital expenditures in accounts payable	$ 2,162	$ 4,201