v3.26.1
RESTRUCTURING COSTS - Schedule of Restructuring Roll Forward (Details) - Fixed Cost Reduction Plan
$ in Millions
 12 Months Ended
Jun. 30, 2026
USD ($)
Restructuring Reserve [Roll Forward]  
Balance—July 1, 2025 $ 104.5
Restructuring charges 34.6
Payments (34.6)
Changes in estimates (33.8)
Non-cash utilization 0.0
Effect of exchange rates (0.8)
Balance—June 30, 2026 69.9
Severance and Employee Benefits  
Restructuring Reserve [Roll Forward]  
Balance—July 1, 2025 104.2
Restructuring charges 34.5
Payments (34.0)
Changes in estimates (33.8)
Non-cash utilization 0.0
Effect of exchange rates (1.0)
Balance—June 30, 2026 69.9
Fixed Asset Write-offs  
Restructuring Reserve [Roll Forward]  
Balance—July 1, 2025 0.0
Restructuring charges 0.0
Payments (0.1)
Changes in estimates 0.0
Non-cash utilization 0.0
Effect of exchange rates 0.0
Balance—June 30, 2026 (0.1)
Other Exit Costs  
Restructuring Reserve [Roll Forward]  
Balance—July 1, 2025 0.3
Restructuring charges 0.1
Payments (0.5)
Changes in estimates 0.0
Non-cash utilization 0.0
Effect of exchange rates 0.2
Balance—June 30, 2026 $ 0.1