v3.25.2
Shareholders' Equity (Reclassification out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Interest expense $ (8.6) $ (11.1) $ (17.1) $ (20.1)
Tax impact (27.5) (21.2) (49.1) (41.5)
Derivative (Loss) Gain [Member]        
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Total (income), net of tax [1],[2] 0.0 (0.9) (0.3) (2.6)
Pension And Postretirement Adjustments [Member]        
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Total (income), net of tax [1] 0.7 (0.7) [2] 1.3 [2] (1.3) [2]
Reclassification From Accumulated Other Comprehensive Loss [Member] | Derivative (Loss) Gain [Member]        
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Tax impact 0.0 0.3 0.1 0.7
Total (income), net of tax 0.0 (0.9) (0.3) (2.6)
Reclassification From Accumulated Other Comprehensive Loss [Member] | Derivative (Loss) Gain [Member] | Interest Rate Swap Contracts, Before Tax [Member]        
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Interest expense 0.0 (1.2) (0.4) (3.3)
Reclassification From Accumulated Other Comprehensive Loss [Member] | Amortization of prior service credit [Member]        
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Other non-operating (income) expense, net (0.1) 0.0 (0.1) (0.1)
Reclassification From Accumulated Other Comprehensive Loss [Member] | Amortization of net actuarial loss (gain) [Member]        
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Other non-operating (income) expense, net 1.0 (0.8) 1.9 (1.6)
Reclassification From Accumulated Other Comprehensive Loss [Member] | Pension And Postretirement Adjustments [Member]        
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]        
Tax impact (0.2) 0.1 (0.5) 0.4
Total loss (income), before tax 0.9 (0.8) 1.8 (1.7)
Total loss (income), net of tax 0.7 (0.7) 1.3 (1.3)
Total reclassifications for the period $ 0.7 $ (1.6) $ 1.0 $ (3.9)
[1] Amounts are net of tax.
[2] Amounts include our 50% share of AOCL components from our WAVE joint venture.