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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2017	May 01, 2016	May 03, 2015
Statement of Comprehensive Income [Abstract]
net income	$ 22,334	$ 16,935	$ 15,071
Unrealized gains (losses) on investments
Unrealized holding gains (losses) on investments	128	(176)	(35)
Reclassification adjustment for realized loss included in net income	12	127
Total other comprehensive income (loss)	140	(49)	(35)
Comprehensive income	$ 22,474	$ 16,886	$ 15,036

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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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-Publisher FASB
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