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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 28, 2013	Jul. 29, 2012
Net income	$ 3,230	$ 3,524
Other comprehensive (loss) income
Unrealized (loss) gain on short-term investments	(135)	33
Total other comprehensive (loss) income	(135)	33
Comprehensive income	$ 3,095	$ 3,557

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