v3.26.1
Accumulated Other Comprehensive Loss (Details)
$ in Millions
 12 Months Ended
Mar. 31, 2026
USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Beginning balance $ 2,161.5
Change in component, net of tax 14.1
Reclassification from other comprehensive loss into net income, net of tax (2.2)
Ending balance 6,425.5
Accumulated Other Comprehensive Loss  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Beginning balance (58.2)
Ending balance (46.3)
Cash Flow Hedges  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Beginning balance 0.1
Change in component, net of tax 5.5
Reclassification from other comprehensive loss into net income, net of tax (2.2)
Ending balance 3.4
Pension Actuarial Gain  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Beginning balance 1.4
Change in component, net of tax 1.0
Reclassification from other comprehensive loss into net income, net of tax 0.0
Ending balance 2.4
Foreign Currency Translation Adjustments  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
Beginning balance (59.7)
Change in component, net of tax 7.6
Reclassification from other comprehensive loss into net income, net of tax 0.0
Ending balance $ (52.1)