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Property, Plant and Equipment, Net - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Property Plant And Equipment [Abstract]    
Capital lease assets $ 4.5 $ 0.0
Accumulated depreciation for capital lease assets 0.5 $ 0.0
Interest expense $ 0.6