v3.26.1
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Comprehensive income (loss):        
Net income (loss) $ 243.8 $ (11.7) $ 570.8 $ 10.7
Other comprehensive income before income tax effect:        
Net gain on foreign currency cash flow hedges reclassified as income (0.1) (0.1) (0.1) (0.1)
Defined benefit plans and other postretirement benefits:        
Net gain arising during the period 2.4 0.0 11.3 0.0
Amortization of prior service benefit during the period 0.2 0.0 0.3 0.1
Amortization of net (gain) loss during the period (0.6) 1.6 1.4 3.2
Other comprehensive income before income tax effect 1.9 1.5 12.9 3.2
Income tax effect 0.0 0.0 0.0 0.0
Other comprehensive income 1.9 1.5 12.9 3.2
Comprehensive income (loss) 245.7 (10.2) 583.7 13.9
Comprehensive loss attributable to noncontrolling interests (4.5) (7.1) (10.7) (14.4)
Comprehensive income (loss) attributable to Century stockholders $ 250.2 $ (3.1) $ 594.4 $ 28.3