Reconciliation of Net Income to Adjusted EBITDA (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting [Abstract]
Net income		$ 82,464	$ 51,810	$ 144,641	$ 132,004
Add (deduct):
Income taxes		18,326	29,445	43,423	73,845
Interest expense	[1]	28,466	26,522	55,581	52,891
Other (income) expense	[2]	836	(7,030)	(6,437)	(20,012)
Loss on debt amendments			246	1,484	246
Other cash distributions from equity investees	[3]	3,932	2,870	16,255	14,919
Depreciation and amortization		64,290	59,137	128,685	116,493
Impairment of long-lived assets		2,788	4,301	3,379	4,574
Loss on disposal of assets and other		16,901	54	20,840	888
Deferred lease expenses		(449)	(375)	(932)	(722)
Amortization of long-term prepaid rents		597	496	1,236	989
Share based awards compensation expense		3,452	3,203	6,878	6,444
Adjusted EBITDA	[4]	$ 221,603	$ 170,679	$ 415,033	$ 382,559

[1] Includes amortization of debt issue costs.

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

[3] Includes cash distributions received from equity investees that were recorded as a reduction of the respective investment balances (see Notes 7 and 8). These distributions are reported entirely within the U.S. operating segment.

[4] The adoption of ASC Topic 606 impacted how the Company records certain revenues. See Note 3 for discussion of the impact of ASC Topic 606.