Restructuring Restructuring (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Jul. 31, 2018 USD ($)	Jul. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 1,965	$ 4,962
Restructuring and Related Cost, Cost Incurred to Date	9,739	9,739
Restructuring and Related Cost, Expected Cost Remaining	7,300	7,300
Restructuring Reserve [Roll Forward]
Beginning Balance		335
Restructuring Expense		4,962
Payments		4,291
Ending Balance	1,006	1,006
Legal and Professional Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	58	1,170
Restructuring Reserve [Roll Forward]
Beginning Balance		270
Restructuring Expense		1,170
Payments		1,440
Ending Balance	0	0
Employee Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	1,352	2,931
Restructuring Reserve [Roll Forward]
Beginning Balance		65
Restructuring Expense		2,931
Payments		1,990
Ending Balance	1,006	1,006
Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	555	861
Restructuring Reserve [Roll Forward]
Beginning Balance		0
Restructuring Expense		861
Payments		861
Ending Balance	$ 0	$ 0