Consolidated Statements Of Shareholders' Equity Statement - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Common Stock Held in Trust	Deferred Compensation Obligation	Accumulated Other Comprehensive (Loss) Income
Balance at Feb. 27, 2016		$ 9,561	$ 145,528	$ 282,477	$ (837)	$ 837	$ (31,371)
Balance, shares at Feb. 27, 2016	28,684
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 85,790			85,790
Unrealized gain (loss) on marketable securities, net of tax	(83)						(83)
Unrealized gain (loss) on foreign currency hedge, net of tax	0
Unrealized gain (loss) on pension obligation, net of tax	130						130
Foreign currency translation adjustments	$ 234					0	234
Issuance of stock, net of cancellations		47	105	36	(38)	38
Issuance of stock, net of cancellations, shares	140
Share-based compensation			5,986
Tax benefit (deficit) associated with stock plans			(1,745)
Exercise of stock options		54	1,893
Exercise of stock options, shares	163
Share repurchases		(83)	(1,357)	(9,377)
Share repurchases, shares	(250)
Other share retirements		(19)	(299)	(2,263)
Other share retirements, shares	(57)
Cash dividends				(14,667)
Balance at Mar. 04, 2017		9,560	150,111	341,996	(875)	875	(31,090)
Balance, shares at Mar. 04, 2017	28,680
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 79,488			79,488
Unrealized gain (loss) on marketable securities, net of tax	(95)						(95)
Unrealized gain (loss) on foreign currency hedge, net of tax	156						156
Unrealized gain (loss) on pension obligation, net of tax	284						284
Foreign currency translation adjustments	6,692						6,692
Reclassification of tax effects (see Note 1)	$ 0
Issuance of stock, net of cancellations		43	(186)	208	(47)	47
Issuance of stock, net of cancellations, shares	128
Share-based compensation			6,205
Exercise of stock options		34	800
Exercise of stock options, shares	102
Share repurchases		(234)	(3,886)	(29,556)
Share repurchases, shares	(702)
Other share retirements		(17)	(281)	(2,484)
Other share retirements, shares	(50)
Cash dividends				(16,393)
Balance at Mar. 03, 2018	$ 511,355	9,386	152,763	373,259	(922)	922	(24,053)
Balance, shares at Mar. 03, 2018	28,158
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 45,694			45,694
Unrealized gain (loss) on marketable securities, net of tax	64						64
Unrealized gain (loss) on foreign currency hedge, net of tax	(565)						(565)
Unrealized gain (loss) on pension obligation, net of tax	229						229
Foreign currency translation adjustments	(7,065)						(7,065)
Reclassification of tax effects (see Note 1)				737			(737)
Issuance of stock, net of cancellations		45	80	145	167	(167)
Issuance of stock, net of cancellations, shares	135
Share-based compensation			6,286
Exercise of stock options		6	177
Exercise of stock options, shares	19
Share repurchases		419	7,204	35,703	0	0	0
Share repurchases, shares	(1,258)
Other share retirements		(13)	(260)	(1,670)
Other share retirements, shares	(39)
Cash dividends				(17,864)
Balance at Mar. 02, 2019	$ 496,317	$ 9,005	$ 151,842	$ 367,597	$ (755)	$ 755	$ (32,127)
Balance, shares at Mar. 02, 2019	27,015