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Business Segment Information Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019	Oct. 31, 2019
Segment Reporting Information [Line Items]
Revenue, Net	$ 155,367	$ 263,445	$ 556,781	$ 795,748
Long-Lived Assets	209,923		209,923		$ 363,446
Asset impairment, net	109,633	0	134,104	0
Equipment Not Placed In Service [Member]
Segment Reporting Information [Line Items]
Asset impairment, net			2,500
Non-US [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	50,722	78,588	175,924	233,929
North America
Segment Reporting Information [Line Items]
Revenue, Net	114,133	203,920	412,336	606,872
North America \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	112,141	198,409	404,498	590,577
Foreign Currency Transaction Gain, before Tax	234	(221)	(286)	(10)
Long-Lived Assets	139,777		139,777		268,913
Europe [Member]
Segment Reporting Information [Line Items]
Revenue, Net	34,696	61,685	131,672	194,883
Europe [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	34,176	61,507	131,113	194,294
Foreign Currency Transaction Gain, before Tax	(2,308)	679	(1,684)	476
Long-Lived Assets	57,029		57,029		81,532
Asia [Member]
Segment Reporting Information [Line Items]
Revenue, Net	13,188	3,529	30,595	10,877
Asia [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	9,050	3,529	21,170	10,877
Long-Lived Assets	13,117		13,117		$ 13,001
CHINA \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Foreign Currency Transaction Gain, before Tax	$ 8	$ (195)	$ (15)	$ 2
Sales [Member] \| Non-US [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	32.60%	29.80%	31.60%	29.40%