Summary of Significant Accounting Policies - Schedule of Other Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 28, 2017	Apr. 28, 2017
Accounting Policies [Abstract]
Legal and professional fees	$ 2,528	$ 10,807
Accrued customer incentives	2,520	1,912
Accrued advertising	1,376	515
Accrued broker fees	1,188	945
Other	4,304	3,726
Total other accrued expenses	$ 11,916	$ 17,905