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. 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			15,443
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	181						181
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	5						5
Foreign currency translation adjustments	$ (2,560)						(2,560)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	79
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 40	26	14		(12)	12
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	$ 1,618		1,618
Share repurchases (in shares)	(532)
Share repurchases	$ (20,010)	(177)	(3,051)	(16,782)
Stock Repurchased and Retired During Period, Shares	(32)
Stock Repurchased and Retired During Period, Value	$ (1,460)	(11)	(183)	(1,266)
Dividends, Common Stock, Cash	$ (4,598)			(4,598)
Ending balance (in shares) at Jun. 01, 2019	26,530
Ending balance at Jun. 01, 2019	$ 484,976	8,843	150,240	360,394	(767)	767	(34,501)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax expense (benefit) on marketable securities	47
Tax expense (benefit) on foreign currency hedge	$ 2
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	$ 484,976	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						84
Foreign currency translation adjustments	$ 2,465						2,465
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	44
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 42	15	27		(11)	11
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	$ 1,582		1,582
Share repurchases (in shares)	(20)
Stock Repurchased and Retired During Period, Value	$ 750	7	114	629
Dividends, Common Stock, Cash	$ (4,605)			(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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax expense (benefit) on marketable securities	2
Tax expense (benefit) on foreign currency hedge	$ 25
Beginning balance (in shares) at Feb. 29, 2020	26,443
Beginning balance at Feb. 29, 2020	$ 516,778	8,814	154,016	388,010	(685)	685	(34,062)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	2,876			2,876
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	97						97
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	(617)						(617)
Foreign currency translation adjustments	$ (6,151)						(6,151)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	183
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 23	62	(39)		(11)	11
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	$ 1,406		1,406
Share repurchases (in shares)	(231)
Share repurchases	$ (4,731)	(77)	(1,370)	(3,284)
Stock Repurchased and Retired During Period, Shares	(26)
Stock Repurchased and Retired During Period, Value	$ (665)	(9)	(151)	(505)
Dividends, Common Stock, Cash	$ (4,872)			(4,872)
Ending balance (in shares) at May. 30, 2020	26,369
Ending balance at May. 30, 2020	$ 504,144	8,790	153,862	382,225	(696)	696	(40,733)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax expense (benefit) on marketable securities	26
Tax expense (benefit) on foreign currency hedge	$ (189)
Beginning balance (in shares) at Feb. 29, 2020	26,443
Beginning balance at Feb. 29, 2020	$ 516,778	8,814	154,016	388,010	(685)	685	(34,062)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	20,534
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	147
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	$ 703
Ending balance (in shares) at Aug. 29, 2020	26,467
Ending balance at Aug. 29, 2020	$ 526,168	8,823	155,956	394,614	(707)	707	(33,225)
Beginning balance (in shares) at May. 30, 2020	26,369
Beginning balance at May. 30, 2020	$ 504,144	8,790	153,862	382,225	(696)	696	(40,733)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	17,658			17,658
Unrealized gain (loss) on marketable securities, net of tax expense (benefit)	50						50
Unrealized gain (loss) on foreign currency hedge, net of tax expense (benefit)	1,319						1,319
Foreign currency translation adjustments	$ 6,139						6,139
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	121
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ 18	41	(23)		(11)	11
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	$ 2,256		2,256
Stock Repurchased and Retired During Period, Shares	(23)
Stock Repurchased and Retired During Period, Value	$ 537	8	139	390
Dividends, Common Stock, Cash	$ (4,879)			(4,879)
Ending balance (in shares) at Aug. 29, 2020	26,467
Ending balance at Aug. 29, 2020	$ 526,168	$ 8,823	$ 155,956	$ 394,614	$ (707)	$ 707	$ (33,225)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax expense (benefit) on marketable securities	13
Tax expense (benefit) on foreign currency hedge	$ 404