XML 80 R63.htm IDEA: XBRL DOCUMENT v3.4.0.3
Property and Equipment, Net - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Abstract]      
Depreciation and amortization expense related to property and equipment $ 15.1 $ 15.5 $ 16.2