Impairment of Long-Lived Assets (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Indefinite-lived Intangible Assets [Line Items]
Theatre properties	$ 844	$ 185
Intangible assets
Impairment of long-lived assets	844	185
U.S. Operating Segment
Indefinite-lived Intangible Assets [Line Items]
Theatre properties	119	66
International Operating Segment
Indefinite-lived Intangible Assets [Line Items]
Theatre properties	$ 725	$ 119