DEBT Bridge Loan Facility (Details) £ in Millions, $ in Millions	9 Months Ended
	Jul. 31, 2025 USD ($)	May 08, 2025 GBP (£)	Jul. 25, 2024 GBP (£)	Mar. 08, 2024 GBP (£)
Line of Credit facility
Payments of Financing Costs | $	$ 7
Payments of Financing Costs | $	$ 7
Bridge Loan
Line of Credit facility
Facility, Description	On March 28, 2024, we entered into a bridge credit agreement (the “Bridge Facility”) pursuant to which certain lenders agreed to provide a senior unsecured bridge credit facility of up to 1,350 million pounds sterling for the purpose of providing the financing to support a planned acquisition. On July 25, 2024, the Bridge Facility decreased to 1,232 million pounds sterling. On May 8, 2025, the Bridge Facility was further decreased to 752 million pounds sterling. In connection with this decrease, the net proceeds from the 2030 Senior Notes have been restricted to support a planned acquisition and are held in a designated money market fund. We incurred costs in connection with the Bridge Facility of $7 million that have been fully amortized to interest expense. As of July 31, 2025 and October 31, 2024, we had no borrowings outstanding under the Bridge Facility.
Facility, Maximum Borrowing Capacity | £		£ 752	£ 1,232
Facility, Initiation Date	Mar. 28, 2024
LineOfCreditFacilityOriginalBorrowingCapacity | £				£ 1,350