v3.25.2
Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Net income $ 28.8 $ 24.7 $ 165.2 $ 156.2
Other comprehensive income (loss), net of tax:        
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0 and $0.0, respectively) 0.0 0.0 0.1 0.1
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.1, $0.0, $0.1, and $0.0, respectively) (0.3) 0.0 (0.2) (0.2)
Other comprehensive income, net of tax 0.4 1.0 1.4 3.5
Comprehensive income 29.2 25.7 166.6 159.7
Less: comprehensive income attributable to non-controlling interest (1.3) (1.9) (3.5) (5.6)
Comprehensive income available for common stock 27.9 23.8 163.1 154.1
Interest rate swaps        
Other comprehensive income (loss), net of tax:        
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, after tax 0.6 0.6 1.1 1.1
Commodity derivatives        
Other comprehensive income (loss), net of tax:        
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, after tax $ 0.1 $ 0.4 $ 0.4 $ 2.5