Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Net income (loss)	$ 253,434	$ (344,690)	$ 1,261,953
Other Comprehensive Income (Loss)
Change in unrealized gain (loss) on available-for-sale securities, net of tax	577	26	(590)
Change in accumulated translation adjustments	(763)	686	8,012
Other comprehensive income (loss)	(16,304)	5,237	13,312
Total comprehensive income (loss)	237,130	(339,453)	1,275,265
Foreign Currency Forward Contracts
Other Comprehensive Income (Loss)
Change in unrealized gain (loss) on derivatives	3,985	(1,674)	(295)
Forward starting interest rate swaps
Other Comprehensive Income (Loss)
Change in unrealized gain (loss) on derivatives	$ (20,103)	$ 6,199	$ 6,185

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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