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Other Noncurrent Assets - Schedule of Other Noncurrent Assets (Detail) - USD ($)
$ in Millions
Sep. 30, 2016
Dec. 31, 2015
Disclosure Other Non Current Assets Schedule Of Other Non Current Assets [Abstract]    
Deferred financing costs, net $ 0.6 $ 1.0
Pension asset 0.5 0.4
Other 1.6 1.7
Total $ 2.7 $ 3.1