Long-Lived Asset Impairment Charges (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Indefinite-lived Intangible Assets [Line Items]
Impairment of long-lived assets	$ 1,101	$ 311	$ 1,945	$ 496
U.S. Operating Segment
Indefinite-lived Intangible Assets [Line Items]
Theatre properties	651	311	770	377
International Operating Segment
Indefinite-lived Intangible Assets [Line Items]
Theatre properties	$ 450		$ 1,175	$ 119