Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	12 Months Ended
	Feb. 27, 2016	Feb. 28, 2015	Mar. 01, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 65,342	$ 50,516	$ 27,986
Other comprehensive (loss) earnings:
Unrealized gain (loss) on marketable securities, net of $38, $88 and $(46) of tax expense (benefit), respectively	73	163	(83)
Unrealized (loss) gain on foreign currency hedge, net of $-, $(36) and $183 of tax (benefit) expense, respectively	0	(62)	320
Unrealized gain (loss) on pension obligation, net of $347, $(830) and $10 of tax expense (benefit), respectively	610	(1,458)	19
Foreign currency translation adjustments	(9,734)	(8,003)	(6,135)
Other comprehensive loss	(9,051)	(9,360)	(5,879)
Total comprehensive earnings	$ 56,291	$ 41,156	$ 22,107