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Condensed Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Statement of Comprehensive Income [Abstract]        
Post retirement plans, amortization of actuarial loss included in net income, tax $ 0.1 $ 0.2 $ 0.3 $ 0.4