Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.25.0.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Taxes [Line Items]      
Income tax benefit $ (84.9) $ 60.8 $ 103.5
Intellectual property 177.6 0.0  
Valuation allowance offset amount 61.3    
Deferred income tax benefit (229.6) (41.1) (29.9)
Deferred tax charge $ 18.5 $ (7.4) $ 0.0
Effective tax rate applied 21.00% 21.00% 21.00%
Tax loss and credit carryforwards $ 225.6 $ 216.7  
Amount of tax loss and credit carryforwards that can be carried forward indefinitely 14.0    
U.S. foreign tax credit carryforwards 156.0 168.1  
State tax loss and credit carryforwards 1.8    
Valuation allowance 404.2 375.5  
Valuation allowance, deferred tax asset, change in amount 28.7 (61.1)  
Deferred income tax liability on unremitted foreign earnings 11.7 18.7  
Amount of tax loss and credit carryforwards that are subject to expiration 211.6    
Total amount of unrecognized tax benefits, including related interest and penalties 51.3 67.4 $ 72.5
Unrecognized tax benefits excluding interest and penalties that if recognized would affect the effective tax rate 36.5 45.6  
Total accrued interest for tax contingencies 10.1 16.0 19.7
Total accrued penalties for tax contingencies 1.3 2.3 3.1
Increase (decrease) in interest expense related to uncertain tax positions (5.3) (4.2) 6.1
Increase (decrease) in penalties to uncertain tax positions (0.8) (1.0) $ 0.1
Amount of unrecognized tax benefits that could decrease within the next 12 months 7.3    
Decrease in unrecognized tax benefits expiration of statute of limitations 6.4    
Decrease in unrecognized tax benefits due to the settlement of audits or resolution of administrative or judicial proceedings $ 0.9    
Earliest Tax Year [Member]      
Income Taxes [Line Items]      
Open tax years by major tax jurisdiction 2013    
European Subsidiaries [Member]      
Income Taxes [Line Items]      
Deferred income tax benefit $ 49.5    
Valuation allowance, deferred tax asset, change in amount (49.5)    
European And Chinese Subsidiaries [Member]      
Income Taxes [Line Items]      
Valuation allowance, deferred tax asset, change in amount 29.1    
Domestic [Member]      
Income Taxes [Line Items]      
Domestic research and development tax credit carryforward $ 5.3 $ 7.3  
Domestic [Member] | Earliest Tax Year [Member] | Research and Development [Member]      
Income Taxes [Line Items]      
Expiration year of tax credit carryforwards 2043    
United States [Member]      
Income Taxes [Line Items]      
U.S. foreign tax credit carryforwards $ 12.1    
Unremitted earnings that were permanently reinvested $ 3,100.0    
United States [Member] | Earliest Tax Year [Member]      
Income Taxes [Line Items]      
Expiration year of tax loss carryforwards 2025    
United States [Member] | Latest Tax Year [Member]      
Income Taxes [Line Items]      
Expiration year of U.S. foreign tax credit carryforwards 2034    
Foreign Country [Member] | Earliest Tax Year [Member]      
Income Taxes [Line Items]      
Operating loss and tax credits carryforwards foreign subject to expiration expiration year 2025    
Foreign Country [Member] | Latest Tax Year [Member]      
Income Taxes [Line Items]      
Operating loss and tax credits carryforwards foreign subject to expiration expiration year 2041    
State [Member] | Earliest Tax Year [Member]      
Income Taxes [Line Items]      
Expiration year of state tax loss carryforwards 2038    
State [Member] | Latest Tax Year [Member]      
Income Taxes [Line Items]      
Expiration year of state tax loss carryforwards 2043