Consolidated Statements of Comprehensive Earnings (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Nov. 29, 2014	Nov. 30, 2013	Nov. 29, 2014	Nov. 30, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 13,736us-gaap_NetIncomeLoss	$ 9,668us-gaap_NetIncomeLoss	$ 36,628us-gaap_NetIncomeLoss	$ 19,948us-gaap_NetIncomeLoss
Other comprehensive earnings:
Unrealized gain (loss) on marketable securities, net of $16, $56, $70 and $(95) tax expense (benefit), respectively	30	105	129	(175)
Unrealized gain (loss) on foreign currency hedge, net of $-, $184, $(36) and $264 tax expense (benefit), respectively	0	322	(62)	463
Foreign currency translation adjustments	(4,583)	(1,045)	(2,016)	(2,662)
Other comprehensive earnings (loss)	(4,553)	(618)	(1,949)	(2,374)
Total comprehensive earnings	$ 9,183us-gaap_ComprehensiveIncomeNetOfTax	$ 9,050us-gaap_ComprehensiveIncomeNetOfTax	$ 34,679us-gaap_ComprehensiveIncomeNetOfTax	$ 17,574us-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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