Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 03, 2018	Mar. 04, 2017	Feb. 27, 2016
Operating Activities
Net earnings	$ 79,488	$ 85,790	$ 65,342
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	54,843	35,607	31,248
Share-based compensation	6,205	5,986	4,923
Deferred income taxes	3,195	(1,065)	(6,139)
Gain (loss) on disposal of assets	1,037	(371)	(198)
Proceeds from new markets tax credit transaction, net of deferred costs	0	5,109	0
Other, net	(1,431)	(2,331)	1,017
Changes in operating assets and liabilities:
Receivables	18,172	3,460	(2,918)
Inventories	11,521	(6,387)	(2,798)
Accounts payable and accrued expenses	(25,627)	17,449	17,265
Billings in excess of costs and earnings on uncompleted contracts	(16,541)	(9,991)	9,657
Refundable and accrued income taxes	315	(9,647)	12,589
Other, net	(3,714)	392	(1,045)
Net cash provided by operating activities	127,463	124,001	128,943
Investing Activities
Capital expenditures	(53,196)	(68,061)	(42,037)
Purchases of marketable securities	(10,244)	(3,705)	(35,814)
Sales/maturities of marketable securities	10,476	36,433	4,047
Acquisition of business and intangibles	(182,849)	(137,932)	0
Change in restricted cash	7,834	(7,834)	0
Other, net	2,245	(2,659)	(4,052)
Net cash used in investing activities	(225,734)	(183,758)	(77,856)
Financing Activities
Borrowings on line of credit	385,700	121,000	0
Payments on line of credit	(235,740)	(76,012)	0
Borrowings (payments) on debt, net	155	(396)	(56)
Shares withheld for taxes, net of stock issued to employees	(1,712)	(446)	(3,254)
Repurchase and retirement of common stock	(33,676)	(10,817)	(24,911)
Dividends paid	(16,393)	(14,667)	(13,184)
Net cash provided by (used in) financing activities	98,334	18,662	(41,405)
(Decrease) increase in cash and cash equivalents	63	(41,095)	9,682
Effect of exchange rates on cash	(167)	88	(1,397)
Cash and cash equivalents at beginning of year	19,463	60,470	52,185
Cash and cash equivalents at end of period	19,359	19,463	60,470
Noncash Activity
Capital expenditures in accounts payable	1,784	3,254	(2,737)
Deferred payments on acquisition of business	$ 7,500	$ 0	$ 0