Discontinued Operations - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2013 Theatre	Jun. 30, 2012 Theatre	Jun. 30, 2013 Theatre	Jun. 30, 2012 Theatre
Discontinued Operations And Disposal Groups [Abstract]
Number of theatres closed during the period	0	3	7	7
Number of theatres closed during the period as discontinued operations		1	1	4