Selected Financial Information by Reportable Operating Segment (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenues		$ 700,056	$ 646,903	$ 2,145,386	$ 1,967,046
Adjusted EBITDA	[1]	154,777	141,739	495,351	439,649
Capital expenditures		76,639	53,605	232,351	156,168
Operating Segments | U.S. Operating Segment
Segment Reporting Information [Line Items]
Revenues		509,330	463,854	1,576,107	1,433,259
Adjusted EBITDA	[1]	108,689	99,519	359,400	313,930
Capital expenditures		48,868	36,325	167,082	97,120
Operating Segments | International Operating Segment
Segment Reporting Information [Line Items]
Revenues		194,497	186,428	580,335	543,501
Adjusted EBITDA	[1]	46,088	42,220	135,951	125,719
Capital expenditures		27,771	17,280	65,269	59,048
Eliminations
Segment Reporting Information [Line Items]
Revenues		$ (3,771)	$ (3,379)	$ (11,056)	$ (9,714)

[1] Distributions from NCM are reported entirely within the U.S. operating segment.