XML 76 R60.htm IDEA: XBRL DOCUMENT v3.5.0.1
Selected Financial Statement Data - Inventory (Details) - USD ($)
$ in Thousands
Apr. 30, 2016
May 02, 2015
Selected Financial Statement Data [Abstract]    
Raw materials $ 28,184 $ 28,325
Work-in-process 6,158 7,512
Finished goods 35,485 28,552
Inventories 69,827 64,389
Inventory allowance $ 4,975 $ 3,998