Facility Action Charges, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Nov. 05, 2012	Nov. 07, 2011	Nov. 05, 2012	Nov. 07, 2011
Facility Action Charges, Net [Abstract]
Estimated liability for new restaurant closures	$ 0	$ 0	$ 0	$ 133
Adjustments to estimated liability for closed restaurants	20	(103)	(237)	420
Impairment of assets to be held and used	0	342	2,525	592
Loss (gain) on disposal of property and equipment	45	(9)	88	(476)
Other gains	(33)	(87)	(124)	(337)
Amortization of discount related to estimated liability for closed restaurants	70	119	280	371
Facility action charges, net	$ 102	$ 262	$ 2,532	$ 703

Facility action charges, net recorded to adjust the estimated liability for closed restaurants.

No definition available.

Name:	ckr_AdjustmentsToEstimatedLiabilityForClosedRestaurants
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Discount amortization related to the estimated liability for closed restaurants.

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No definition available.

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Name:	ckr_AmortizationOfDiscountRelatedToEstimatedLiabilityForClosedRestaurants
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Facility action charges, net recorded for new restaurant closures. These charges include the establishment of liabilities for future lease payments and other contractual obligations.

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No definition available.

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Name:	ckr_EstimatedLiabilityForNewRestaurantClosures
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Facility action charges represent net charges or gains from closing company-operated restaurants, subleasing closed facilities at amounts below our primary lease obligations, impairing restaurant-level long-lived assets to be disposed of or held and used, recording gains or losses upon disposal of surplus properties and refranchising transactions and the discount amortization for obligations related to closed or subleased facilities.

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No definition available.

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Name:	ckr_FacilityActionChargesNet
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	ckr_FacilityActionChargesNetAbstract
Namespace Prefix:	ckr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The difference between the sale price or salvage price and the book value of property and equipment assets that were sold or retired during the reporting period recorded to facility action charges, net. This element refers to the gain (loss).

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No definition available.

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Name:	ckr_GainLossOnDisposalOfPropertyAndEquipmentInFacilityActionCharges
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Impairment Of Assets Held And Used recorded within facility action charges, net.

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No definition available.

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Name:	ckr_ImpairmentOfAssetsHeldAndUsedInFacilityActionCharges
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Gains or losses recorded to facility action charges, net during the reporting period that were not from the disposal property and equipment.

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No definition available.

+ Details

Name:	ckr_OtherGainsLossesInFacilityActionCharges
Namespace Prefix:	ckr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration