Commitments And Contingencies (Details) (USD $) In Millions, unless otherwise specified	Dec. 28, 2012
Commitments and Contingencies Disclosure [Abstract]
Maximum potential liability from vehicle leases	$ 97.7

The maximum potential liability to the Company if the terminal fair value coming off the lease was zero.

No definition available.

Name:	cik0_ResidualValueGuarantee
Namespace Prefix:	cik0_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant