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Discontinued Operations - Summary Of Financial Information That Has Been Segregated From Continuing Operations (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2019
Sep. 30, 2019
Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Net income from discontinued operations $ 0 $ (2,425) $ 117 $ (1,608) $ 46,074 $ 44,466 $ 44,583 $ 42,158
Consumer and Industrial Chemistry Technologies | Discontinued Operations, Held-for-sale                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Revenue 0       11,031      
Operating expenses 0       (11,447)      
Depreciation and amortization 0       0      
Research and development 0       (69)      
(Loss) income from operations 0       (485)      
Other income 0       35      
Gain on sale of business 0       66,791      
Income before income taxes 0       66,341      
Income tax expense 0       (20,267)      
Net income from discontinued operations $ 0       $ 46,074