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Discontinued Operations - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Gain from discontinued operations and disposal, net of tax $ 0.1 $ 0.0 $ 0.0 $ 0.0 $ 0.3 $ 0.0 $ 0.0 $ 0.0 $ 0.1 $ 0.3 $ 1.1
Estimated product liability obligations of the discontinued North American refuse truck body business 0.8       1.1       0.8 1.1  
Environmental remediation reserve $ 0.3       $ 0.4       $ 0.3 $ 0.4