Consolidated Statement of Shareholders Equity (unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Common Stock Held In Trust [Member]	Deferred Compensation Obligation [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance (in shares) at Mar. 04, 2017	28,680
Beginning balance at Mar. 04, 2017		$ 9,560	$ 150,111	$ 341,996	$ (875)	$ 875	$ (31,090)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 33,512			33,512
Unrealized gain on marketable securities, net of tax expense	92						92
Unrealized loss on foreign currency hedge, net of $17, $-, $109 and $- of tax benefit, respectively	$ 0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent						0	14,490
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	107
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		36	83		(22)	22
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			3,063
Outstanding shares awards exercised	100
Stock Issued During Period, Value, Stock Options Exercised		34	801
Share repurchases (in shares)	(200)
Share repurchases		(67)	(1,091)	(9,675)
Stock Repurchased and Retired During Period, Shares	(45)
Stock Repurchased and Retired During Period, Value		(15)	(256)	(2,216)
Dividends, Common Stock, Cash				(7,994)
Ending balance (in shares) at Sep. 02, 2017	28,642
Ending balance at Sep. 02, 2017		9,548	152,711	355,623	(897)	897	(16,508)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment (see Note 1)		0	0	2,999	0	0	0
Beginning balance (in shares) at Mar. 03, 2018	28,158
Beginning balance at Mar. 03, 2018	$ 511,355	9,386	152,763	373,259	(922)	922	(24,053)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of tax effects (see Note 1)		0	0	737	0	0	(737)
Net earnings	35,887			35,887
Unrealized gain on marketable securities, net of tax expense	(32)						(32)
Unrealized loss on foreign currency hedge, net of $17, $-, $109 and $- of tax benefit, respectively	$ (359)	0	0	0	0	0	(359)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent						0	(3,900)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	125
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		42	72		80	(80)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			3,119
Outstanding shares awards exercised	19
Stock Issued During Period, Value, Stock Options Exercised		6	177
Stock Repurchased and Retired During Period, Shares	(42)
Stock Repurchased and Retired During Period, Value		(14)	(233)	(1,440)
Dividends, Common Stock, Cash				(8,823)
Ending balance (in shares) at Sep. 01, 2018	28,260
Ending balance at Sep. 01, 2018	$ 538,856	$ 9,420	$ 155,898	$ 402,619	$ (842)	$ 842	$ (29,081)