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Restructuring and Other Charges (Income) - Summary (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Restructuring and Related Activities [Abstract]          
Restructuring charges $ 16.2 $ 7.1 $ 22.8 $ 12.3  
Other charges (income), net 3.3 5.6 10.1 8.2  
Total restructuring and other charges (income) 19.5 $ 12.7 32.9 $ 20.5  
Asset retirement obligation $ 2.7   $ 2.7   $ 2.7