v3.26.3
Shareholders' Equity - Changes in Accumulated Other Comprehensive Income (Loss) Balances (Detail)
$ in Millions
 9 Months Ended
Sep. 30, 2026
USD ($)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]  
Balance as of December 31, 2025 $ (832.9)
Reclassification to the statement of income (7.4)
Change in fair value (4.6)
Balance as of September 30, 2026 (848.9)
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest  
Accumulated Other Comprehensive Income (Loss) [Roll Forward]  
Balance as of December 31, 2025 35.7
Reclassification to the statement of income 0.0
Change in fair value (20.4)
Balance as of September 30, 2026 56.1
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest  
Accumulated Other Comprehensive Income (Loss) [Roll Forward]  
Balance as of December 31, 2025 (1.3)
Reclassification to the statement of income (7.1)
Change in fair value 15.8
Balance as of September 30, 2026 (10.0)
Retirement Plan Activity  
Accumulated Other Comprehensive Income (Loss) [Roll Forward]  
Balance as of December 31, 2025 (2.3)
Reclassification to the statement of income (0.3)
Change in fair value 0.0
Balance as of September 30, 2026 (2.0)
Accumulated Other Comprehensive Income (Loss)  
Accumulated Other Comprehensive Income (Loss) [Roll Forward]  
Balance as of December 31, 2025 32.1
Balance as of September 30, 2026 $ 44.1