Commitments And Contingent Liabilities (Lease Commitments) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 05, 2012
Commitments and Contingencies Disclosure [Abstract]
Present value of master lease obligations for subleased properties	$ 121,810
Present value of lease obligations for franchisees under financial hardship	$ 1,370

For sublesed properties, the present value of the future minimum lease payments under the remaining master leases’ primary terms.

No definition available.

Name:	ckr_PresentValueOfMasterLeaseObligationsForSubleasedProperties
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant