Supplemental Information to Condensed Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014
Schedule of Cash Flow, Supplemental [Line Items]
Cash paid for interest		$ 65,439		$ 65,487
Cash paid for income taxes, net of refunds received		80,723		99,636
Noncash investing and financing activities:
Change in accounts payable and accrued expenses for the acquisition of theatre properties and equipment	[1]	(1,072)		(934)
Theatre properties acquired under capital lease		20,914		10,419
Investment in NCM - receipt of common units (see Note 6)		15,421		8,216
Dividends accrued on unvested restricted stock unit awards		$ (298)	[2]	$ (377)	[3]

[1] Additions to theatre properties and equipment included in accounts payable as of September 30, 2015 and December 31, 2014 were $14,307 and $13,235, respectively.

[2] Below is a summary of dividends paid to stockholders during the nine months ended September 30, 2015: Declaration Date Record Date Date Paid Amount per Share of Common Stock Total Amount Paid 02/17/15 03/04/15 03/19/15 $ 0.25 $ 28,923 05/18/15 06/05/15 06/19/15 $ 0.25 28,977 08/20/15 08/31/15 09/11/15 $ 0.25 28,982 Total $ 0.75 $ 86,882

[3] Below is a summary of dividends paid to stockholders during the nine months ended September 30, 2014: Declaration Date Record Date Date Paid Amount per Share of Common Stock Total Amount Paid 02/14/14 03/04/14 03/19/14 $ 0.25 $ 28,845 05/22/14 06/06/14 06/20/14 $ 0.25 28,926 08/13/14 08/28/14 09/12/14 $ 0.25 28,929 Total $ 0.75 $ 86,700