XML 63 R47.htm IDEA: XBRL DOCUMENT v3.25.0.1
SIGNIFICANT ACCOUNTING POLICIES - CASH AND ACCOUNTS RECEIVABLE (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
CAPITAL CONSTRUCTION FUND      
Restricted Cash   $ 2.3  
Allowance for doubtful accounts      
Balance at Beginning of year $ 9.9 13.0 $ 10.1
Expense 0.8 (2.1) 3.2
Write-offs and Other (0.9) (1.0) (0.3)
Balance at End of Year $ 9.8 $ 9.9 $ 13.0