Discontinued Operations - Additional Information (Detail)	3 Months Ended	9 Months Ended
	Sep. 30, 2013 Theatre	Sep. 30, 2014 Theatre	Sep. 30, 2013 Theatre
Discontinued Operations and Disposal Groups [Abstract]
Number of theatres closed during the period	1	0	8
Number of theatres closed during the period as discontinued operations	1	0	2