Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.19.3
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Income Tax Contingency          
Income tax expense (benefit) $ 57.2 $ (18.8) $ 40.0 $ 21.1  
Arysta | Discontinued Operations, Disposed of by Sale          
Income Tax Contingency          
Decrease in deferred tax asset         $ 173.0
Decrease in deferred tax asset valuation allowance         75.0
Decrease in deferred tax liability         $ 450.0