Summary of Changes in Company's Investment in Digital Implementation Partners (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Beginning balance			$ 23,012
Equity in income	1,685	988	4,106	2,778
Equity in other comprehensive income	(1,678)		(1,678)
Ending balance	26,952		26,952
Digital Cinema Implementation Partners LLC
Schedule of Equity Method Investments [Line Items]
Beginning balance			23,012
Cash contributions			943
Equity in income			2,702	2,997
Equity in other comprehensive income			295
Ending balance	$ 26,952		$ 26,952

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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+ Details