Inventories (Tables)

6 Months Ended

Oct. 30, 2011

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following (in thousands):

	October 30, 2011		April 30, 2011
Raw materials	$	47,993	$	64,997
Work-in-process	97,020		66,073
Finished goods	69,927		56,547
Total inventories	$	214,940	$	187,617