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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Jul. 30, 2016	Aug. 01, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 5,539	$ 3,776
Other comprehensive loss:
Cumulative translation adjustments	(931)	(558)
Unrealized (loss) gain income on available-for-sale securities, net of tax	(2)	15
Total other comprehensive loss, net of tax	(933)	(543)
Comprehensive income	$ 4,606	$ 3,233

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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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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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