Selected Financial Information by Reportable Operating Segment (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Revenues		$ 768,574	$ 700,056	$ 2,217,847	$ 2,145,386
Adjusted EBITDA	[1]	184,891	159,147	537,933	508,030
Capital expenditures		98,823	76,639	230,346	232,351
Operating Segments | U.S. Operating Segment
Segment Reporting Information [Line Items]
Revenues		572,916	509,330	1,677,365	1,576,107
Adjusted EBITDA	[1]	137,540	113,059	409,018	372,079
Capital expenditures		75,839	48,868	175,218	167,082
Operating Segments | International Operating Segment
Segment Reporting Information [Line Items]
Revenues		199,476	194,497	551,212	580,335
Adjusted EBITDA	[1]	47,351	46,088	128,915	135,951
Capital expenditures		22,984	27,771	55,128	65,269
Eliminations
Segment Reporting Information [Line Items]
Revenues		$ (3,818)	$ (3,771)	$ (10,730)	$ (11,056)

[1] Distributions from NCM and other cash distributions from equity investees are reported entirely within the U.S. operating segment.