ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Jan. 31, 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	798,893
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	5,316	(7,112)
Amounts reclassified from AOCI	842	1,462
Accumulated other comprehensive income - ending balance	(18,171)	(27,776)
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	(249)	22
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	(110)	(56)
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	1,031	(3,191)
Amounts reclassified from AOCI	394	671
Accumulated other comprehensive income - ending balance	334	(2,788)
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	4,044	(1,120)
Amounts reclassified from AOCI	448	791
Accumulated other comprehensive income - ending balance	(1,475)	(5,851)
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	490	(2,823)
Amounts reclassified from AOCI	0	0
Accumulated other comprehensive income - ending balance	$ (16,920)	$ (19,081)