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Schedule II - Valuation And Qualifying Accounts (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance as of Beginning of Period $ 433.0 $ 380.8 $ 383.6
Additions 52.9 88.4 45.6
Retirements (26.0) (53.3) (41.6)
Other Changes (17.5) 17.1 (6.8)
Balance as of End of Period 442.4 433.0 380.8
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance as of Beginning of Period 35.3 36.0 33.2
Additions 8.2 7.0 14.3
Retirements (8.3) (9.8) (10.9)
Other Changes 0.3 2.1 (0.6)
Balance as of End of Period 35.5 35.3 36.0
Allowance for deferred tax assets      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance as of Beginning of Period 397.7 344.8 350.4
Additions 44.7 81.4 31.3
Retirements (17.7) (43.5) (30.7)
Other Changes (17.8) 15.0 (6.2)
Balance as of End of Period $ 406.9 $ 397.7 $ 344.8