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Restructuring Charges	3 Months Ended
Restructuring Charges	Jan. 31, 2022
Payables and Accruals [Abstract]
Restructuring Charges	Restructuring Charges In the third quarter of fiscal 2021, we initiated a restructuring plan for involuntary and voluntary employee termination and facility closure actions as part of a business reorganization (the 2021 Plan). During the first quarter of fiscal 2022, we recorded restructuring charges of $11.7 million consisting primarily of severance, retirement benefits under the 2021 Voluntary Retirement Program (2021 VRP) and lease abandonment costs, and made payments of $4.9 million under the 2021 Plan. The 2021 Plan and VRP were completed in the first quarter of fiscal 2022 and the total charges under the 2021 Plan were $45.2 million. As of January 31, 2022, $21.0 million of restructuring related liabilities remained outstanding and was recorded in accounts payable and accrued liabilities in the unaudited condensed consolidated balance sheets.