Summary Financial Information for DCIP (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Schedule of Equity Method Investments [Line Items]
Operating income	$ 67,855	$ 65,629
Net income	35,696	33,062
Digital Cinema Implementation Partners LLC
Schedule of Equity Method Investments [Line Items]
Revenues	42,688	43,055
Operating income	24,304	26,641
Net income	$ 5,528	$ 11,808