Acquisition Acquisition (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 30, 2016	Aug. 01, 2015
Payments to Acquire Businesses, Net of Cash Acquired	$ 975	$ 0
Promoversity [Member]
Payments to Acquire Businesses, Net of Cash Acquired	1,525
Finite-lived Intangible Assets Acquired	741
Goodwill, Other Changes	428
Fair Value of Assets Acquired	306
Business Combination, Liabilities Arising from Contingencies, Amount Recognized	$ 500