XML 126 R115.htm IDEA: XBRL DOCUMENT v3.25.1
Supplementary Financial Information - Schedule of Cash and Cash Equivalents (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Cash, Cash Equivalents, Restricted Cash, And Restricted Cash Equivalents [Roll Forward]    
Cash and cash equivalents, beginning of the period $ 48.8 $ 80.8
Restricted cash included in other current assets, beginning of period 0.0 0.9
Restricted cash included in other assets (non-current), beginning of period 0.5 0.6
Cash, cash equivalents and restricted cash, beginning of period 49.3 82.3
Cash and cash equivalents, end of the period 33.3 38.4
Restricted cash included in other current assets, end of period 0.0 0.9
Restricted cash included in other assets (non-current), end of period 0.6 0.6
Cash, cash equivalents and restricted cash, end of period 33.9 39.9
Total cash, cash equivalents and restricted cash 33.9 39.9
Supplemental cash flow information:    
Cash paid for interest 19.5 19.6
Cash paid for income taxes (proceeds from tax refunds), net 0.8 (0.8)
Non-cash investing and financing activities:    
Accrued interest capitalized into principal debt 1.2 3.3
Property, plant and equipment included in accounts payable or accrued expenses $ 1.1 $ 0.9