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 Feb. 27, 2016	28,684
Beginning balance at Feb. 27, 2016		$ 9,561	$ 145,528	$ 282,477	$ (837)	$ 837	$ (31,371)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 62,671			62,671
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	$ (192)						(192)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent						0	2,742
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	139
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		46	94		(26)	26
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			4,403
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net			(1,229)
Outstanding shares awards exercised	125
Stock Issued During Period, Value, Stock Options Exercised		42	1,211
Stock Repurchased and Retired During Period, Shares	(52)
Stock Repurchased and Retired During Period, Value		(17)	(271)	(2,015)
Dividends, Common Stock, Cash				(10,687)
Ending balance (in shares) at Nov. 26, 2016	28,646
Ending balance at Nov. 26, 2016		9,549	148,379	323,070	(863)	863	(28,821)
Beginning balance (in shares) at Mar. 04, 2017	28,680
Beginning balance at Mar. 04, 2017	$ 470,577	9,560	150,111	341,996	(875)	875	(31,090)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	57,159			57,159
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	$ (51)						(51)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent						0	10,652
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	106
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		36	147		(33)	33
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			4,645
Outstanding shares awards exercised	100
Stock Issued During Period, Value, Stock Options Exercised		33	801
Share repurchases (in shares)	(200)
Share repurchases		(67)	(1,091)	(9,675)	0	0	0
Stock Repurchased and Retired During Period, Shares	(45)
Stock Repurchased and Retired During Period, Value		(15)	(256)	(2,229)
Dividends, Common Stock, Cash				(11,971)
Ending balance (in shares) at Dec. 02, 2017	28,641
Ending balance at Dec. 02, 2017	$ 518,695	$ 9,547	$ 154,357	$ 375,280	$ (908)	$ 908	$ (20,489)