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The Company and Basis of Presentation (Details)	9 Months Ended
	Sep. 30, 2011
The Company and Basis of Presentation (Textual) [Abstract]
Majority-owned subsidiaries that the Company controls	Between 20% and 50%
Subsidiaries that the Company under the cost method	Less than 20%

X

- Definition

Company and Basis of Presentation.

+ Details

Name:	cnk_CompanyAndBasisOfPresentationTextualAbstract
Namespace Prefix:	cnk
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Subsidiaries that the entity accounts for under the cost method.

+ Details

Name:	cnk_CostMethodSubsidiaries
Namespace Prefix:	cnk
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Majority owned subsidiaries of which the entity has control.

+ Details

Name:	cnk_MajorityOwnedSubsidiaries
Namespace Prefix:	cnk
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration