v3.25.4
Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Net income $ 299.8 $ 283.7 $ 276.0
Other comprehensive income (loss), net of tax:      
Benefit plan liability adjustments - net gain (loss) (net of tax of $0, $(0.2), and $0, respectively) 0.0 0.8 (0.3)
Reclassification adjustment of benefit plan liability - net loss (net of tax of $0.2, $(0.1), and $0, respectively) (0.6) 0.1 0.2
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.7, $0.1, and $1.1, respectively) (2.7) (0.5) (3.6)
Other comprehensive income (loss), net of tax (0.3) 5.4 0.8
Comprehensive income 299.5 289.1 276.8
Less: comprehensive income attributable to non-controlling interest (8.2) (10.6) (13.8)
Comprehensive income available for common stock 291.3 278.5 263.0
Interest rate swaps      
Other comprehensive income (loss), net of tax:      
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, after tax 2.2 2.3 2.2
Commodity derivatives      
Other comprehensive income (loss), net of tax:      
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, after tax $ 0.8 $ 2.7 $ 2.3