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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 01, 2014	Oct. 26, 2013	Nov. 01, 2014	Oct. 26, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 7,737	$ 11,790	$ 16,482	$ 17,509
Other comprehensive loss:
Cumulative translation adjustments	(978)	290	(1,115)	323
Unrealized (loss) gain on available-for-sale securities, net of tax	(4)	11	(11)	(20)
Total other comprehensive loss, net of tax	(982)	301	(1,126)	303
Comprehensive income	$ 6,755	$ 12,091	$ 15,356	$ 17,812

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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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