Supplemental Information to Condensed Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019		Mar. 31, 2018
Schedule Of Cash Flow Supplemental [Line Items]
Cash paid for interest		$ 9,104		$ 11,743
Cash paid for income taxes, net of refunds received		3,414		5,906
Noncash investing and financing activities:
Change in accounts payable and accrued expenses for the acquisition of theatre properties and equipment	[1]	(14,660)		7,625
Investment in NCM – receipt of common units (see Note 8)		1,552		5,012
Dividends accrued on unvested restricted stock unit awards		(108)	[2]	(125)	[3]
NCM
Noncash investing and financing activities:
Interest expense - NCM (see Note 8)		$ (4,782)		$ (4,979)

[1] Additions to theatre properties and equipment included in accounts payable as of March 31, 2019 and December 31, 2018 were $22,344 and $37,004, respectively.

[2] The Company’s board of directors declared a cash dividend for the fourth quarter of 2018 in the amount of $0.34 per share of common stock payable to stockholders of record on March 8, 2019. The dividend was paid on March 22, 2019

[3] The Company’s board of directors declared a cash dividend for the fourth quarter of 2017 in the amount of $0.32 per share of common stock payable to stockholders of record on March 8, 2018. The dividend was paid on March 22, 2018.