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Restructuring and Other Charges (Income) - Restructuring Charges in Consolidated Income (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restructuring and Related Activities [Abstract]      
Restructuring charges $ 42.6 $ 62.2 $ 124.1
Other charges (income), net 89.6 108.8 (62.9)
Total restructuring and other charges (income) $ 132.2 $ 171.0 $ 61.2