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Other Financial Statement Information - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Inventory Disclosure [Abstract]      
Cost of inventories for certain materials using LIFO method $ 26.8 $ 27.0  
Depreciation of property and equipment 10.3 11.3 $ 10.6
Capital leases of machinery and equipment $ 0.3 $ 0.3