Supplemental Information to Condensed Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2017		Sep. 30, 2016
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest		$ 58,334		$ 68,552
Cash paid for income taxes, net of refunds received		81,271		66,757
Noncash investing and financing activities:
Change in accounts payable and accrued expenses for the acquisition of theatre properties and equipment	[1]	(5,947)		132
Theatre properties acquired under capital lease		30,517		11,292
Investment in NCM – receipt of common units (see Note 6)		18,363		11,111
Dividends accrued on unvested restricted stock unit awards		$ (423)	[2]	$ (360)	[3]

[1] Additions to theatre properties and equipment included in accounts payable as of September 30, 2017 and December 31, 2016 were $34,678 and $40,625, respectively.

[2] Below is a summary of dividends paid to stockholders and accrued on unvested restricted stock unit awards during the nine months ended September 30, 2017: Amount per Share Declaration Date Record Date Payable Date of Common Stock Total 2/23/2017 3/8/2017 3/20/2017 $0.29 $33,912 5/25/2017 6/8/2017 6/22/2017 0.29 33,904 8/10/2017 8/31/2017 9/13/2017 0.29 33,911 Total $0.87 $101,727

[3] Below is a summary of dividends paid to stockholders and accrued on unvested restricted stock unit awards during the nine months ended September 30, 2016: Amount per Share Declaration Date Record Date Payable Date of Common Stock Total 2/24/2016 3/7/2016 3/18/2016 $0.27 $31,367 5/26/2016 6/8/2016 6/22/2016 0.27 31,373 8/18/2016 8/31/2016 9/13/2016 0.27 31,737 Total $0.81 $94,477