Balance Sheet Detail (Tables)

9 Months Ended

Jan. 01, 2012

Balance Sheet Detail [Abstract]

Balance Sheet Detail

(in thousands)	January 1, 2012		April 3, 2011
Inventories:
Raw materials	$	7,601	$	4,709
Work-in-process		45,502		41,517
Finished goods		25,546		20,815
Total inventories	$	78,649	$	67,041