Restructuring Restructuring (Details) $ in Thousands	3 Months Ended
	Jan. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 1,514
Restructuring and Related Cost, Cost Incurred to Date	6,291
Restructuring and Related Cost, Expected Cost Remaining	10,700
Restructuring Reserve [Roll Forward]
Beginning Balance	335
Restructuring Expense	1,442
Payments	1,165
Ending Balance	612
Legal and Professional Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	831
Restructuring Reserve [Roll Forward]
Beginning Balance	270
Restructuring Expense	831
Payments	900
Ending Balance	201
Employee Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	611
Restructuring Reserve [Roll Forward]
Beginning Balance	65
Restructuring Expense	611
Payments	265
Ending Balance	411
Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 72