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Credit Losses (Tables)
 12 Months Ended
Dec. 31, 2023
Credit Loss [Abstract]  
Schedule Of Changes In Allowance For Credit Losses
Changes in our allowance for credit losses were as follows (in millions):

January 1, 2021$8.8 
Current period provision2.2 
Recoveries collected and additions0.6 
Amounts written off(2.9)
December 31, 2021$8.7 
Current period provision4.1 
Recoveries collected and additions0.3 
Amounts written off(3.6)
December 31, 2022$9.5 
Current period provision6.3 
Recoveries collected and additions0.5 
Amounts written off(5.1)
December 31, 2023$11.2