Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 26, 2016	Nov. 28, 2015
Operating Activities
Net earnings	$ 62,671	$ 45,406
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	24,270	23,336
Stock-based compensation	4,403	3,686
Deferred income taxes	(3,335)	(5,026)
Excess tax benefits from stock-based compensation	(2,334)	(4,990)
Gain on disposal of assets	(287)	(67)
Proceeds from New Markets Tax Credit transaction, net of deferred costs	5,109	0
Other, net	(1,281)	562
Changes in operating assets and liabilities:
Receivables	(15,235)	6,552
Inventories	(9,555)	(3,419)
Accounts payable and accrued expenses	1,897	1,296
Billings in excess of costs and earnings on uncompleted contracts	4,896	7,391
Refundable and accrued income taxes	(1,073)	13,159
Other, net	335	(1,719)
Net cash provided by (used in) operating activities	70,481	86,167
Investing Activities
Capital expenditures	(44,548)	(26,757)
Proceeds from sales of property, plant and equipment	1,716	0
Change in restricted cash	14,884	0
Purchases of marketable securities	(3,021)	(64,551)
Sales/maturities of marketable securities	3,703	3,765
Investments in corporate-owned life insurance policies	(2,168)	(3,875)
Net cash provided by (used in) investing activities	(59,202)	(91,418)
Financing Activities
Proceeds from (Repayments of) Lines of Credit	(408)	350
Shares withheld for taxes, net of stock issued to employees	(910)	(3,267)
Excess tax benefits from stock-based compensation	2,334	4,990
Payments for Repurchase of Common Stock	10,817	7,257
Dividends paid	(10,687)	(9,632)
Net cash provided by (used in) financing activities	(20,488)	(14,816)
Decrease in cash and cash equivalents	(9,209)	(20,067)
Effect of exchange rates on cash	338	(1,405)
Cash and cash equivalents at beginning of year	60,470	52,185
Cash and cash equivalents at end of period	51,599	30,713
Noncash Activity
Capital expenditures in accounts payable	$ 6,683	$ 371