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Property, Plant, and Equipment - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Depreciation [Abstract]          
Depreciation expense $ 87.0 $ 79.9 $ 253.0 $ 240.5  
Incremental depreciation expense     2.6    
Purchases of property, plant, and equipment included in accounts payable     $ 30.4   $ 12.8