XML 49 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Valuation And Qualifying Accounts (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
Valuation and Qualifying Accounts [Abstract] |
Valuation allowance for deferred tax assets |
|  | Valuation Allowance for Deferred Tax Assets |
Balance at January 1, 2009 |  | $ | 13,463 |
Additions |  |  | 5,163 |
Deductions |  |  | (398 | )
Balance at December 31, 2009 |  | $ | 18,228 |
Additions |  |  | 3,398 |
Deductions |  |  | (6,201 | )
Balance at December 31, 2010 |  | $ | 15,425 |
Additions |  |  | 2,338 |
Deductions |  |  | (2,320 | )
Balance at December 31, 2011 |  | $ | 15,443 |

X
- Definition Summary of changes in valuation allowances on deferred tax assets for periods presented. + References No definition available. + Details
Name: | cnk_ValuationAllowanceDeferredTaxAssetsTableTextBlock
Namespace Prefix: | cnk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration