Basis of Presentation Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss	$ 4,229	$ 4,209	$ 2,211	$ (918)
Depreciation and amortization			20,100	18,923
Accounts receivable			(1,769)	(11,978)
Inventories			860	(2,106)
Prepaids and other assets			6,248	6,209
Payables and other liabilities			(125)	(5,344)
Prepaid and accrued income taxes			392	2,229
Net cash provided by operating activities			33,907	32,911
Capital expenditures			(17,983)	(8,692)
Payments to Acquire Interest in Joint Venture			0	1,500
Net cash used for investing activities			$ 17,341	9,026
Timing And Recognition Of Certain Transactions [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		4,209		(918)
Depreciation and amortization				18,923
Accounts receivable				11,978
Inventories				2,106
Prepaids and other assets				(6,209)
Payables and other liabilities				(5,344)
Prepaid and accrued income taxes				2,229
Net cash provided by operating activities				32,911
Capital expenditures				8,692
Payments to Acquire Interest in Joint Venture				(1,500)
Net cash used for investing activities				9,026
Timing And Recognition Of Certain Transactions [Member] | Scenario, Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		3,057		(2,002)
Depreciation and amortization				18,873
Accounts receivable				11,909
Inventories				2,172
Prepaids and other assets				(6,663)
Payables and other liabilities				(5,608)
Prepaid and accrued income taxes				1,934
Net cash provided by operating activities				31,537
Capital expenditures				8,818
Payments to Acquire Interest in Joint Venture				0
Net cash used for investing activities				7,652
Timing And Recognition Of Certain Transactions [Member] | Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		$ 1,152		1,084
Depreciation and amortization				50
Accounts receivable				69
Inventories				(66)
Prepaids and other assets				454
Payables and other liabilities				264
Prepaid and accrued income taxes				295
Net cash provided by operating activities				1,374
Capital expenditures				(126)
Payments to Acquire Interest in Joint Venture				(1,500)
Net cash used for investing activities				$ 1,374