7. Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Apr. 26, 2014
Details
Insurance Settlements Receivable	$ 2,290

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

No definition available.

Name:	us-gaap_InsuranceSettlementsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant