Summary of Significant Accounting Policies and Concentrations of Risk (Tables)

12 Months Ended

Mar. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories are stated at the lower of actual cost (determined using the first-in, first-out method), or market (estimated net realizable value) and are comprised of the following:

(In thousands)	March 30, 2013		March 31, 2012
Raw materials	$	12,484	$	11,707
Work-in-process	165,034		164,438
Finished goods	23,732		28,721
	$	201,250	$	204,866