Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations - Schedule of Results of Discontinued Operations (Details)

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Discontinued Operations - Schedule of Results of Discontinued Operations (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2020
Sep. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Payment to TZI   $ 1.9    
Gain on disposal of discontinued operations, net of tax $ 0.0   $ (0.1)  
Discontinued operations        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Loss on disposal of discontinued operations before income tax     (0.1)  
Income tax (benefit) expense     0.0  
Gain on disposal of discontinued operations, net of tax     $ (0.1)  
DLW Subsidiary | Discontinued operations        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Proceeds from sale of business       $ 90.2