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Self-Insured Risks (Tables)
12 Months Ended
Dec. 31, 2023
Insurance [Abstract]  
Schedule of Self-Insurance Reserves
The following table presents the changes in our self-insurance reserves (in millions):
202320222021
Balance at beginning of period, gross$175.1 $169.4 $165.2 
Less: Reinsurance receivables
(32.3)(30.0)(28.3)
Balance at beginning of period, net142.8 139.4 136.9 
Increase for the provision of current year claims54.7 50.5 46.9 
Decrease for the provision of prior year claims(10.5)(8.2)(6.8)
Expenses related to discontinued operations— — (0.2)
Payments related to current year claims(8.1)(7.1)(7.0)
Payments related to prior year claims(30.8)(31.8)(30.4)
Balance at end of period, net148.1 142.8 139.4 
Add: Reinsurance receivables
36.4 32.3 30.0 
Balance at end of period, gross$184.5 $175.1 $169.4