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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 02, 2014	Jul. 27, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 8,745	$ 5,720
Other comprehensive loss:
Cumulative translation adjustments	(137)	32
Unrealized gain (loss) on available-for-sale securities, net of tax	(7)	(30)
Total other comprehensive loss, net of tax	(144)	2
Comprehensive income	$ 8,601	$ 5,722

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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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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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