Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Aug. 27, 2016	Aug. 29, 2015
Operating Activities
Net earnings	$ 40,119	$ 26,886
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	15,955	15,502
Stock-based compensation	2,935	2,414
Deferred income taxes	(1,320)	(2,252)
Excess tax benefits from stock-based compensation	(2,334)	(4,699)
Gain on disposal of assets	(183)	(231)
Proceeds from New Markets Tax Credit transaction, net of deferred costs	5,109	0
Other, net	(1,424)	549
Changes in operating assets and liabilities:
Receivables	(14,297)	19,898
Inventories	(4,876)	1,273
Accounts payable and accrued expenses	(7,511)	(12,716)
Billings in excess of costs and earnings on uncompleted contracts	10,711	3,164
Refundable and accrued income taxes	(1,310)	13,064
Other, net	(366)	(754)
Net cash provided by (used in) operating activities	41,208	62,098
Investing Activities
Capital expenditures	(31,474)	(19,366)
Proceeds from sales of property, plant and equipment	1,713	0
Change in restricted cash	16,949	0
Purchases of marketable securities	(2,845)	(56,918)
Sales/maturities of marketable securities	2,294	3,684
Investments in corporate-owned life insurance policies	(2,044)	(892)
Net cash provided by (used in) investing activities	(49,305)	(73,492)
Financing Activities
Proceeds from (Repayments of) Lines of Credit	(16)	968
Shares withheld for taxes, net of stock issued to employees	(956)	(3,178)
Excess tax benefits from stock-based compensation	2,334	4,699
Dividends paid	(7,133)	(6,431)
Net cash provided by (used in) financing activities	(5,771)	(3,942)
Decrease in cash and cash equivalents	(13,868)	(15,336)
Effect of exchange rates on cash	374	(659)
Cash and cash equivalents at beginning of year	60,470	52,185
Cash and cash equivalents at end of period	46,976	36,190
Noncash Activity
Capital expenditures in accounts payable	$ 2,520	$ 1,014