Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue, Net	$ 157,928	$ 273,370	$ 401,414	$ 532,303
North America
Disaggregation of Revenue [Line Items]
Revenue, Net	116,178	207,807	298,203	402,952
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	39,961	68,434	96,976	133,198
Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	6,316	3,433	17,407	7,348
Reportable Geographical Components [Member] | North America
Disaggregation of Revenue [Line Items]
Revenue, Net	113,870	201,703	292,357	392,168
Reportable Geographical Components [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	39,945	68,234	96,937	132,787
Reportable Geographical Components [Member] | Asia [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	4,113	3,433	12,120	7,348
Geography Eliminations [Member] | Rest of World [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	$ (4,527)	$ (6,304)	$ (11,172)	$ (11,195)