ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	$ 766,341
Accumulated other comprehensive income - ending balance	846,545
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(24,329)	$ (22,126)
Other comprehensive income (loss) before reclassifications	1,802	4,231
Amounts reclassified from AOCI	1,341	2,276
Accumulated other comprehensive income - ending balance	(21,186)	(15,619)
Unrealized gain/(loss) on marketable securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	139	(78)
Other comprehensive income (loss) before reclassifications	(527)	256
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	(388)	178
Unrealized gain/(loss) on derivatives | Foreign Currency Contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(1,091)	(268)
Other comprehensive income (loss) before reclassifications	4,897	760
Amounts reclassified from AOCI	0	704
Accumulated other comprehensive income - ending balance	3,806	1,196
Unrealized gain/(loss) on derivatives | Starting Interest Rate Swap
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(5,967)	(5,522)
Other comprehensive income (loss) before reclassifications	(815)	(1,478)
Amounts reclassified from AOCI	1,341	1,572
Accumulated other comprehensive income - ending balance	(5,441)	(5,428)
Cumulative foreign currency translation adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income - beginning balance	(17,410)	(16,258)
Other comprehensive income (loss) before reclassifications	(1,753)	4,693
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	$ (19,163)	$ (11,565)