Property, Plant, and Equipment - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
|
| Depreciation [Abstract] | |||||
| Depreciation expense | $ 83.6 | $ 79.9 | $ 166.0 | $ 160.6 | |
| Purchases of property, plant, and equipment included in accounts payable | $ 19.0 | $ 12.8 | |||