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. 03, 2018	28,158
Beginning balance at Mar. 03, 2018		$ 9,386	$ 152,763	$ 373,259	$ (922)	$ 922	$ (24,053)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from AOCI, Current Period, Tax	$ 737
Reclassification of tax effects	$ 737
Net earnings				15,373
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)							10
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)		0	0	0	0	0	(304)
Foreign currency translation adjustments						0	(517)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	90
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		30	35		91	(91)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			1,514
Outstanding shares awards exercised	19
Stock Issued During Period, Value, Stock Options Exercised		6	177
Stock Repurchased and Retired During Period, Shares	(41)
Stock Repurchased and Retired During Period, Value		(13)	(228)	(1,440)
Dividends, Common Stock, Cash				(4,410)
Ending balance (in shares) at Jun. 02, 2018	28,226
Ending balance at Jun. 02, 2018		9,409	154,261	386,518	(831)	831	(25,601)
Beginning balance (in shares) at Mar. 03, 2018	28,158
Beginning balance at Mar. 03, 2018		9,386	152,763	373,259	(922)	922	(24,053)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 35,887
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	(32)
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ (359)
Ending balance (in shares) at Sep. 01, 2018	28,260
Ending balance at Sep. 01, 2018		9,420	155,898	402,619	(842)	842	(29,081)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment	$ 2,999
Beginning balance (in shares) at Jun. 02, 2018	28,226
Beginning balance at Jun. 02, 2018		9,409	154,261	386,518	(831)	831	(25,601)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 20,513			20,514
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	(42)	0	0	0	0	0	(42)
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ (55)	0	0	0	0	0	(55)
Foreign currency translation adjustments						0	(3,383)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	35
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		12	37		(11)	11
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			1,605
Stock Repurchased and Retired During Period, Shares	(1)
Stock Repurchased and Retired During Period, Value		(1)	(5)
Dividends, Common Stock, Cash				(4,413)
Ending balance (in shares) at Sep. 01, 2018	28,260
Ending balance at Sep. 01, 2018		9,420	155,898	402,619	(842)	842	(29,081)
Beginning balance (in shares) at Mar. 02, 2019	27,015
Beginning balance at Mar. 02, 2019	$ 496,317	9,005	151,842	367,597	(755)	755	(32,127)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings				15,443
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)							181
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)		0	0	0	0	0	5
Foreign currency translation adjustments						0	(2,560)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	79
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		26	14		(12)	12
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			1,618
Share repurchases (in shares)	(532)
Share repurchases		(177)	(3,051)	(16,782)	0	0	0
Stock Repurchased and Retired During Period, Shares	(32)
Stock Repurchased and Retired During Period, Value		(11)	(183)	(1,266)
Dividends, Common Stock, Cash				(4,598)
Ending balance (in shares) at Jun. 01, 2019	26,530
Ending balance at Jun. 01, 2019		8,843	150,240	360,394	(767)	767	(34,501)
Beginning balance (in shares) at Mar. 02, 2019	27,015
Beginning balance at Mar. 02, 2019	$ 496,317	9,005	151,842	367,597	(755)	755	(32,127)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	34,722
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	189
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ 89
Ending balance (in shares) at Aug. 31, 2019	26,554
Ending balance at Aug. 31, 2019	$ 503,081	8,851	151,735	374,439	(778)	778	(31,944)
Beginning balance (in shares) at Jun. 01, 2019	26,530
Beginning balance at Jun. 01, 2019		8,843	150,240	360,394	(767)	767	(34,501)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 19,279			19,279
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	8						8
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ 84	0	0	0	0	0	84
Foreign currency translation adjustments						0	2,465
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures	44
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures		15	27		(11)	11
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			1,582
Stock Repurchased and Retired During Period, Shares	(20)
Stock Repurchased and Retired During Period, Value		(7)	(114)	(629)
Dividends, Common Stock, Cash				(4,605)
Ending balance (in shares) at Aug. 31, 2019	26,554
Ending balance at Aug. 31, 2019	$ 503,081	$ 8,851	$ 151,735	$ 374,439	$ (778)	$ 778	$ (31,944)