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Consolidated Statement of Stockholders' Equity (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Statement of Stockholders' Equity [Abstract]            
Tax effect on net change in pension asset/liability   $ 0.0 $ 0.1 $ 0.1 $ 0.1 $ 0.2
Net change in fair value of derivative instruments, tax $ (5.9) $ 10.3 $ 16.2 $ 1.8 $ (10.9) $ 19.0