Consolidated Statements of Comprehensive Earnings (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 01, 2018	Dec. 02, 2017	Dec. 01, 2018	Dec. 02, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 21,891	$ 23,646	$ 57,778	$ 57,159
Other comprehensive earnings:
Unrealized loss on marketable securities, net of $16, $78, $25 and $28 of tax benefit, respectively	(58)	(143)	(90)	(51)
Unrealized gain (loss) on foreign currency hedge, net of $10, $-, ($99) and $- of tax expense (benefit), respectively	32	0	(327)	0
Foreign currency translation adjustments	(3,621)	(3,838)	(7,518)	10,652
Other comprehensive earnings (loss)	(3,647)	(3,981)	(7,935)	10,601
Total comprehensive earnings	$ 18,244	$ 19,665	$ 49,843	$ 67,760