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Income Taxes - Difference Between Provision for Income Taxes and U.S. Federal Statutory Rate (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Reconciliation of Statutory Federal Tax Rate [Line Items]      
Provision at U.S. federal statutory rate 21.00% 21.00% 21.00%
State taxes, net of federal benefit 2.80% 2.80% 2.70%
U.S. pension plan settlement expense 0.00% 0.00% (29.50%)
Research tax credits (0.40%) (0.40%) (1.00%)
Excess tax benefit on stock compensation (0.50%) (0.40%) (0.50%)
Other 1.40% 1.00% 3.00%
Effective income tax rate 23.90% 24.10% (5.40%)
Tax benefit on pretax pension plan settlement expense     $ 101.9
Tax benefit on release of stranded tax effects related to pension plan settlement expense     $ 65.8
International income tax rate differential—China      
Reconciliation of Statutory Federal Tax Rate [Line Items]      
International income tax rate differential (1.10%) (1.20%) (4.60%)
International income tax rate differential—other      
Reconciliation of Statutory Federal Tax Rate [Line Items]      
International income tax rate differential 0.70% 1.30% 3.50%