v3.26.1
Other Financial Information (Tables)
6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Changes in Working Capital
CHANGES IN WORKING CAPITAL:
Six Months Ended
June 30,
(Millions of dollars)20262025
Accounts receivable$(103.3)$(28.0)
Inventories(4.4)4.1 
Prepaid expenses and other current assets(5.8)3.6 
Accounts payable and accrued liabilities147.2 69.5 
Income taxes payable10.7 (12.1)
Net (increase) decrease in noncash operating working capital$44.4 $37.1