Summary Financial Information for DCIP (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]
Operating income	$ 116,866	$ 134,017	$ 184,721	$ 199,646
Net income	72,134	20,837	107,830	53,899
Digital Cinema Implementation Partners LLC
Schedule of Equity Method Investments [Line Items]
Revenues	43,396	45,022	86,084	88,077
Operating income	26,700	28,884	51,004	55,525
Net income	$ 19,065	$ 2,456	$ 24,593	$ 14,264