Annual report [Section 13 and 15(d), not S-K Item 405]

Shareholders' Deficit - Additional Information (Detail)

v3.25.4
Shareholders' Deficit - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Feb. 09, 2021
Stockholders Equity [Line Items]        
Common shares, shares outstanding 103,300,000 101,200,000 99,200,000  
Preference shares authorized 7,500,000      
Preference shares par value $ 0.002      
Share repurchase program authorized amount       $ 1,500.0
Share repurchase program, remaining authorized capacity   $ 985.5    
Share repurchase program expiration date   Feb. 09, 2024    
Share repurchases $ 8.2 $ 8.3 $ 11.0  
Repurchase of common stock, shares 1,200,000 900,000 600,000  
Shares repurchases, inclusive of transaction costs $ 0.0 $ 0.0 $ 0.0  
Withheld for tax purpose for share-based compensation plans 8.2 8.3 11.0  
Repurchase of common stock, value 8.2 8.3 11.0  
Other comprehensive income (loss) before foreign currency translation adjustments reclassifications, tax expense (benefit) 4.0 (4.3) 1.3  
Other comprehensive income (Loss), reclassification adjustment from AOCI on derivatives, net of tax expense (benefit)     0.2  
Common Stock[Member]        
Stockholders Equity [Line Items]        
Repurchase of common stock, value $ 0.0 $ 0.0 $ 0.0  
Open market purchases [Member] | Common Stock[Member]        
Stockholders Equity [Line Items]        
Repurchase of common stock, shares 0 0 0