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Investment in National Cinemedia LLC - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Schedule of Equity Method Investments [Line Items] |  |  |
Theatre access fees per patron | $ 0.07 |  |
Increase in percentage of payment per theatre patron | 8.00% |  |
Duration of percentage increase in theatre access fees per patron | 5 years |  |
Payment per digital screen | 1,072 | 1,021 | 972
Percentage of annual increase in payment per digital screen | 5.00% |  |
Minimum percentage of aggregate advertising revenue for payment of fees | 12.00% |  |
Remaining term of exhibitor services agreement | 23 years |  |
Total number of common units of NCM owned by Company | 23,998,505 |  |
Interest on common units of NCM owned by Company | 19.00% |  |
Investment In NCM |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Common unit convertible into share of NCMI common stock, conversion ratio | 1 |  |
Estimated fair value of investment using NCMI's stock price | $ 479,010 |  |
NCMI stock price | $ 19.96 |  |

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