Long-Lived Asset Impairment Charges (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 406	$ 633	$ 2,323	$ 4,955
U.S. Operating Segment
Impaired Long-Lived Assets Held and Used [Line Items]
Theatre properties	$ 406	$ 633	1,500	3,963
Intangible assets				$ 992
International Operating Segment
Impaired Long-Lived Assets Held and Used [Line Items]
Theatre properties			$ 823