v3.26.3
Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Other comprehensive income (loss) before reclassifications $ 8.6 $ 3.1 $ 33.0 $ (103.1)
Amounts reclassified from AOCI (1.2) 20.2 28.7 24.5
Net current period other comprehensive income (loss) 7.4 23.3 61.7 (78.6)
Gains (losses) on securities available for sale        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance 0.0   0.2  
Other comprehensive income (loss) before reclassifications 0.0   (1.2)  
Amounts reclassified from AOCI 0.0   (1.0)  
Net current period other comprehensive income (loss) 0.0   (0.2)  
Ending Balance 0.0   0.0  
Gains (losses) on cash flow hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance 8.5 (112.0) (58.9) 51.6
Other comprehensive income (loss) before reclassifications 13.4 6.3 51.9 (161.6)
Amounts reclassified from AOCI (1.2) 20.2 27.7 24.5
Net current period other comprehensive income (loss) 12.2 26.5 79.6 (137.1)
Ending Balance 20.7 (85.5) 20.7 (85.5)
Unfunded status of postretirement benefit plans        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (10.2) (15.6) (9.4) (16.6)
Other comprehensive income (loss) before reclassifications (0.2) 0.0 (1.0) 1.0
Amounts reclassified from AOCI 0.0 0.0 0.0 0.0
Net current period other comprehensive income (loss) (0.2) 0.0 (1.0) 1.0
Ending Balance (10.4) (15.6) (10.4) (15.6)
Currency translation adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (126.0) (110.5) (113.9) (171.2)
Other comprehensive income (loss) before reclassifications (4.6) (3.2) (16.7) 57.5
Amounts reclassified from AOCI 0.0 0.0 0.0 0.0
Net current period other comprehensive income (loss) (4.6) (3.2) (16.7) 57.5
Ending Balance (130.6) (113.7) (130.6) (113.7)
Accumulated other comprehensive income (loss)        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (127.7) (238.1) (182.0) (136.2)
Ending Balance $ (120.3) $ (214.8) $ (120.3) $ (214.8)