Basis of Presentation Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss	$ (2,018)	$ (5,127)
Depreciation and amortization	9,718	9,312
Accounts receivable	(15,448)	(40,146)
Inventories	(1,502)	(2,774)
Payables and other liabilities	4,112	(27,180)
Prepaid and accrued income taxes	(1,164)	(2,387)
Net cash provided by operating activities	26,624	18,595
Capital expenditures	(9,077)	(1,797)
Net cash used for investing activities	$ 9,073	1,662
Timing And Recognition Of Certain Transactions [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(5,127)
Depreciation and amortization		9,312
Accounts receivable		40,146
Inventories		2,774
Payables and other liabilities		(27,180)
Prepaid and accrued income taxes		(2,387)
Net cash provided by operating activities		18,595
Capital expenditures		1,797
Net cash used for investing activities		1,662
Timing And Recognition Of Certain Transactions [Member] | Scenario, Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(5,059)
Depreciation and amortization		9,289
Accounts receivable		40,095
Inventories		2,753
Payables and other liabilities		(27,158)
Prepaid and accrued income taxes		(2,330)
Net cash provided by operating activities		18,689
Capital expenditures		(1,891)
Net cash used for investing activities		(1,756)
Timing And Recognition Of Certain Transactions [Member] | Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(68)
Depreciation and amortization		23
Accounts receivable		51
Inventories		21
Payables and other liabilities		(22)
Prepaid and accrued income taxes		(57)
Net cash provided by operating activities		(94)
Capital expenditures		94
Net cash used for investing activities		$ 94