RESTRUCTURING CHARGES - Reconciliation of Beginning and Ending Restructuring Reserve Balances (Details) $ in Millions |
6 Months Ended |
|---|---|
|
Apr. 30, 2025
USD ($)
| |
| Restructuring Reserve [Roll Forward] | |
| Restructuring reserve, beginning balance | $ 4.9 |
| Costs incurred and charged to expense | 13.9 |
| Costs paid or otherwise settled | (7.1) |
| Restructuring reserve, ending balance | 11.7 |
| Employee Separation Costs | |
| Restructuring Reserve [Roll Forward] | |
| Restructuring reserve, beginning balance | 4.8 |
| Costs incurred and charged to expense | 10.6 |
| Costs paid or otherwise settled | (3.9) |
| Restructuring reserve, ending balance | 11.5 |
| Other Costs | |
| Restructuring Reserve [Roll Forward] | |
| Restructuring reserve, beginning balance | 0.1 |
| Costs incurred and charged to expense | 3.3 |
| Costs paid or otherwise settled | (3.2) |
| Restructuring reserve, ending balance | $ 0.2 |