Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 1,184,119
Other comprehensive loss, net of tax	(4,959)	$ (1,422)	$ (5,707)
Ending balance	1,323,685	1,184,119
Unamortized Net Losses On Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	100	200	301
Other comprehensive income (loss) before reclassifications	0	0	0
Tax impact			0
Reclassification adjustments, before tax	219	(133)	(132)
Tax impact	(119)	33	31
Other comprehensive loss, net of tax	(100)	(100)	(101)
Ending balance	0	100	200
Unamortized Net Losses On Cash Flow Hedges [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		0
Ending balance			0
Unamortized Net Losses On Cash Flow Hedges [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		200
Ending balance			200
Net Unrealized Gains On Available-For-Sale Investments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	0	3,714	4,128
Other comprehensive income (loss) before reclassifications	0	0	2,409
Tax impact			(699)
Reclassification adjustments, before tax	0	0	(2,940)
Tax impact	0	0	816
Other comprehensive loss, net of tax	0	0	(414)
Ending balance	0	0	3,714
Net Unrealized Gains On Available-For-Sale Investments [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(3,714)
Ending balance			(3,714)
Net Unrealized Gains On Available-For-Sale Investments [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		0
Ending balance			0
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(58,417)	(57,095)	(51,903)
Other comprehensive income (loss) before reclassifications	(4,859)	(1,322)	(5,192)
Tax impact			0
Reclassification adjustments, before tax	0	0	0
Tax impact	0	0	0
Other comprehensive loss, net of tax	(4,859)	(1,322)	(5,192)
Ending balance	(63,276)	(58,417)	(57,095)
Foreign Currency Translation Adjustments [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		0
Ending balance			0
Foreign Currency Translation Adjustments [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(57,095)
Ending balance			(57,095)
Foreign Currency Translation Adjustments [Member] | EVMC [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(54,300)	(52,500)
Ending balance	(58,200)	(54,300)	(52,500)
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(58,317)	(53,181)	(47,474)
Other comprehensive income (loss) before reclassifications	(4,859)	(1,322)	(2,783)
Tax impact			(699)
Reclassification adjustments, before tax	(219)	(133)	(3,072)
Tax impact	119	33	847
Other comprehensive loss, net of tax	(4,959)	(1,422)	(5,707)
Ending balance	$ (63,276)	(58,317)	(53,181)
Accumulated Other Comprehensive Loss [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(3,714)
Ending balance			(3,714)
Accumulated Other Comprehensive Loss [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		$ (56,895)
Ending balance			$ (56,895)