Discontinued Operations - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2013 Theatre	Sep. 30, 2012 Theatre	Sep. 30, 2013 Theatre	Sep. 30, 2012 Theatre
Discontinued Operations And Disposal Groups [Abstract]
Number of theatres closed during the period	1	1	8	8
Number of theatres closed during the period as discontinued operations	1		2	5