Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail) $ in Thousands	9 Months Ended
Sep. 30, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Company's beverage concessionaire advertising costs	$ 8,002

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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