Note 15. Lease Financing Obligation (Detail) - Summary of Rent Expense (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011
Rent expense	$ 616	$ 2,121	$ 1,889

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration