Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2019	Jul. 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	(20,041)	$ 3,101
Amounts reclassified from AOCI	2,057	(789)
Accumulated other comprehensive income - ending balance	2,119,384
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	(23,764)	(8,705)
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	581	(59)
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	156	(510)
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	(349)	(9)
Amounts reclassified from AOCI	3,100	(1,058)
Accumulated other comprehensive income - ending balance	(309)	(2,453)
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	(18,370)	5,330
Amounts reclassified from AOCI	(1,043)	269
Accumulated other comprehensive income - ending balance	(12,996)	5,817
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	(1,903)	(2,161)
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	$ (10,615)	$ (11,559)