Consolidated Statements of Comprehensive Earnings (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2015	Mar. 01, 2014	Mar. 02, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 50,516us-gaap_NetIncomeLoss	$ 27,986us-gaap_NetIncomeLoss	$ 19,111us-gaap_NetIncomeLoss
Other comprehensive earnings:
Unrealized gain (loss) on marketable securities, net of $88, $(46) and $(15) tax expense (benefit), respectively	163	(83)	(28)
Unrealized (loss) gain on foreign currency hedge, net of $(36), $183 and $(147) tax (benefit) expense, respectively	(62)	320	(258)
Unrealized (loss) gain on pension obligation, net of $(830), $10 and $(95) tax (benefit) expense, respectively	(1,458)	19	(168)
Foreign currency translation adjustments	(8,003)	(6,135)	(1,867)
Other comprehensive loss	(9,360)	(5,879)	(2,321)
Total comprehensive earnings	$ 41,156us-gaap_ComprehensiveIncomeNetOfTax	$ 22,107us-gaap_ComprehensiveIncomeNetOfTax	$ 16,790us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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