Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	$ 1,929,334
Other comprehensive income (loss) before reclassifications	(5,740)	$ 13,044
Amounts reclassified from AOCI	880	348
Accumulated other comprehensive income - ending balance	2,054,305
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(5,780)	(11,017)
Accumulated other comprehensive income - ending balance	(10,640)	2,375
Unrealized Loss on Available-for-sale Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(425)	(451)
Other comprehensive income (loss) before reclassifications	301	(261)
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	(124)	(712)
Unrealized Gain (Loss) Derivatives | Foreign Currency Forward Contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(3,060)	(1,386)
Other comprehensive income (loss) before reclassifications	402	1,624
Amounts reclassified from AOCI	1,158	(71)
Accumulated other comprehensive income - ending balance	(1,500)	167
Unrealized Gain (Loss) Derivatives | Forward Starting Interest Rate Swaps
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	6,417	218
Other comprehensive income (loss) before reclassifications	(7,593)	3,479
Amounts reclassified from AOCI	(278)	419
Accumulated other comprehensive income - ending balance	(1,454)	4,116
Cumulative Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(8,712)	(9,398)
Other comprehensive income (loss) before reclassifications	1,150	8,202
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	$ (7,562)	$ (1,196)