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Discontinued Operations - Additional Information (Details) - Arysta - Discontinued Operations, Disposed of by Sale - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2019
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Dec. 31, 2018
Jul. 20, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Percent of issued and outstanding common stock               100.00%
Proceeds from the sale of business $ 4,280.0              
Gain (loss) on Arysta Sale, included in discontinued operations   $ (18.8) $ 0.0 $ 2.5 $ 0.0 $ (448.0)    
Estimated impairment loss             $ 450.0