Restructuring (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Restructuring Reserve [Roll Forward]
Beginning Balance			$ 5,478	$ 615
Restructuring Charges	$ 7,399	$ 4,460	11,202	7,466
Payments for Restructuring			(10,930)	(6,194)
Ending Balance	5,750	1,887	5,750	1,887
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs				39,664
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance			2,639	367
Restructuring Charges	1,044	877	1,964	1,430
Payments for Restructuring			(3,380)	(1,543)
Ending Balance	1,223	254	1,223	254
Legal and Professional Expenses [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance			1,672	248
Restructuring Charges	6,245	2,919	8,885	4,161
Payments for Restructuring			(6,090)	(2,776)
Ending Balance	4,467	1,633	4,467	1,633
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance			1,167	0
Restructuring Charges	110	664	353	1,875
Payments for Restructuring			(1,460)	(1,875)
Ending Balance	$ 60	$ 0	$ 60	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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