Reconciliation of Net Income to Adjusted EBITDA (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]
Net income		$ 46,701	$ 38,532	$ 160,493	$ 146,362
Add (deduct):
Income taxes		30,109	25,534	99,263	70,477
Interest expense	[1]	28,419	28,335	84,930	85,101
Loss on amendment to debt agreement				925
Other income	[2]	(1,501)	(6,636)	(8,453)	(20,777)
Depreciation and amortization		47,543	44,731	139,444	131,108
Impairment of long-lived assets		633	4,510	4,955	5,294
(Gain) loss on sale of assets and other		(500)	2,590	3,852	8,719
Deferred lease expenses		(521)	168	(1,809)	2,016
Amortization of long-term prepaid rents		519	1,000	1,901	1,785
Share based awards compensation expense		3,375	2,975	9,850	9,564
Adjusted EBITDA	[3]	$ 154,777	$ 141,739	$ 495,351	$ 439,649

[1] Includes amortization of debt issue costs.

[2] Includes interest income, foreign currency exchange loss and equity in income of affiliates and excludes distributions from NCM.

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