Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	$ 1,929,334
Other comprehensive gain (loss) before reclassifications	(19,120)	$ 3,481	$ 12,381
Amounts reclassified from AOCI	2,816	1,756	931
Balance at end of the period	2,172,761	1,929,334
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	(5,780)	(11,017)	(24,329)
Balance at end of the period	(22,084)	(5,780)	(11,017)
Unrealized Gain/(Loss) on Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	(425)	(451)	139
Other comprehensive gain (loss) before reclassifications	577	26	(590)
Amounts reclassified from AOCI	0	0	0
Balance at end of the period	152	(425)	(451)
Unrealized Gain/Losses on Derivative Instruments \| Foreign Currency Forward Contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	(3,060)	(1,386)	(1,091)
Other comprehensive gain (loss) before reclassifications	14	(3,242)	1,290
Amounts reclassified from AOCI	3,971	1,568	(1,585)
Balance at end of the period	925	(3,060)	(1,386)
Unrealized Gain/Losses on Derivative Instruments \| Forward starting interest rate swaps
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	6,417	218	(5,967)
Other comprehensive gain (loss) before reclassifications	(18,948)	6,011	3,669
Amounts reclassified from AOCI	(1,155)	188	2,516
Balance at end of the period	(13,686)	6,417	218
Cumulative Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at beginning of period	(8,712)	(9,398)	(17,410)
Other comprehensive gain (loss) before reclassifications	(763)	686	8,012
Amounts reclassified from AOCI	0	0	0
Balance at end of the period	$ (9,475)	$ (8,712)	$ (9,398)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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