Investment in Digital Cinema Implementation Partners - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 ProjectionSystem	Jun. 30, 2013	Jun. 30, 2014 RenewalOptions ProjectionSystem	Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]
Voting interest in Digital Cinema Implementation Partners	33.00%		33.00%
Economic interest in Digital Cinema Implementation Partners	24.30%		24.30%
Equity in earnings	$ 3,600	$ 1,685	$ 7,220	$ 4,106
Digital projection systems leased under operating lease, initial term			12 years
Number of equipments being leased under master equipment lease agreement	3,641		3,641
Equipment lease expense			2,808	3,951
Number of one-year fair value renewal options			10
Minimum annual rent per digital projection system			1
Digital Cinema Implementation Partners LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings	$ 2,884	$ 1,150	$ 6,178	$ 2,702