Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 02, 2017	Aug. 27, 2016
Operating Activities
Net earnings	$ 33,512	$ 40,119
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	25,062	15,955
Stock-based compensation	3,063	2,935
Deferred income taxes	(751)	(1,320)
Gain on disposal of assets	37	183
Proceeds from New Markets Tax Credit transaction, net of deferred costs	0	5,109
Other, net	(1,168)	(1,424)
Changes in operating assets and liabilities:
Receivables	8,683	(14,297)
Inventories	(6,837)	(4,876)
Accounts payable and accrued expenses	(33,982)	(7,511)
Billings in excess of costs and earnings on uncompleted contracts	4,819	10,711
Refundable and accrued income taxes	7,079	(1,310)
Other, net	1,366	(366)
Net cash provided by (used in) operating activities	40,809	43,542
Investing Activities
Capital expenditures	(26,825)	(31,474)
Proceeds from sales of property, plant and equipment	64	1,713
Acquisition of business, net of cash acquired	184,826	0
Change in restricted cash	(7,834)	16,949
Purchases of marketable securities	(5,436)	(2,845)
Sales/maturities of marketable securities	4,271	2,294
Other, net	1,099	(2,044)
Net cash provided by (used in) investing activities	(203,819)	(49,305)
Financing Activities
Borrowings on line of credit	284,200	0
Payments on line of credit	94,000	0
Shares withheld for taxes, net of stock issued to employees	(1,612)	(956)
Repurchase and retirement of common stock	10,833	0
Dividends paid	(7,994)	(7,133)
Proceeds from (Payments for) Other Financing Activities	(1,759)	16
Net cash provided by (used in) financing activities	171,520	(8,105)
Decrease in cash and cash equivalents	8,510	(13,868)
Effect of exchange rates on cash	1,555	374
Cash and cash equivalents at beginning of year	19,463	60,470
Cash and cash equivalents at end of period	29,528	46,976
Noncash Activity
Capital expenditures in accounts payable	1,196	2,520
Deferred payments on acquisition of business	$ 7,500	$ 0