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Self-Insurance (Tables)
 12 Months Ended
Dec. 31, 2022
Insurance [Abstract]  
Current and long-term self-insurance liabilities
At December 31, 2022 and 2021, current and long-term self-insurance liabilities were included in Other Current Liabilities and Other Liabilities, respectively, in the Consolidated Balance Sheets as follows:
20222021
Self-insurance - current portion$37.6 $44.6 
Self-insurance - long-term portion56.9 51.2 
Total self-insurance liabilities
$94.5 $95.8