Commitments and Contingencies (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Jun. 30, 2017 |
Sep. 30, 2017 |
Dec. 31, 2016 |
|
| Loss Contingencies [Line Items] | |||
| Maximum exposure for other labor matters | $ 46.0 | ||
| Produquímica [Member] | |||
| Loss Contingencies [Line Items] | |||
| Contingent liabilities assumed | 11.5 | ||
| Cote Blanche [Member] | |||
| Loss Contingencies [Line Items] | |||
| Reserve for expected payments required to resolve the dispute | $ 7.4 | ||
| Settlement amount | $ 7.7 | ||
| Loss on settlement | 0.0 | ||
| Brazilian Tax Litigation And Assessments [Member] | |||
| Loss Contingencies [Line Items] | |||
| Reserve for expected payments required to resolve the dispute | $ 18.7 |