Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Detail)

v3.3.0.814
Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Lease Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Definite life intangibles $ 6.1 $ 6.6