Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	$ 2,172,761
Other comprehensive loss before reclassifications	(5,707)	$ (5,740)
Amounts reclassified from AOCI	80	880
Accumulated other comprehensive income - ending balance	2,193,650
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(22,084)	(5,780)
Accumulated other comprehensive income - ending balance	(27,711)	(10,640)
Unrealized Gain/(Loss) on Available-for-sale Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	152	(425)
Other comprehensive loss before reclassifications	(86)	301
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	66	(124)
Unrealized Gain (Loss) Derivatives | Foreign Currency Forward Contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	925	(3,060)
Other comprehensive loss before reclassifications	(921)	402
Amounts reclassified from AOCI	(158)	1,158
Accumulated other comprehensive income - ending balance	(154)	(1,500)
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	(13,686)	6,417
Other comprehensive loss before reclassifications	(1,718)	(7,593)
Amounts reclassified from AOCI	238	(278)
Accumulated other comprehensive income - ending balance	(15,166)	(1,454)
Cumulative Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(9,475)	(8,712)
Other comprehensive loss before reclassifications	(2,982)	1,150
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	$ (12,457)	$ (7,562)