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Receivables - Allowance for Doubtful Trade Receivables and Credit Losses (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Allowance for short term receivables [Roll Forward]    
Beginning balance $ 29.1 $ 33.9
Additions - charged to expense 1.4 4.7
Transfer from (to) allowance for credit losses (see below) 0.1 (1.5)
Net recoveries, write-offs and other (0.2) (8.0)
Ending balance 30.4 29.1
Allowance for long term customer receivables [Roll Forward]    
Beginning balance 27.1 44.5
Additions - charged (credited) to expense 0.4 1.6
Transfer from (to) allowance for doubtful accounts (see above) (0.1) 1.5
Foreign currency adjustments (0.4) 0.8
Net recoveries, write-offs and other   (21.3)
Ending balance $ 27.0 $ 27.1