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ACCUMULATED OTHER COMPREHENSIVE INCOME
 6 Months Ended
Apr. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
ACCUMULATED OTHER COMPREHENSIVE INCOME
ACCUMULATED OTHER COMPREHENSIVE INCOME

The following table summarizes the changes in accumulated balances of other comprehensive income ("AOCI") for the six months ended April 30, 2017:
 
Unrealized
 
Unrealized
 
Unrealized
 
Cumulative
 
 
 
Gain/(Loss) on
 
Gain/(Loss) on
 
Gain/(Loss) on Forward
 
Foreign Currency
 
 
 
Marketable Securities
 
Foreign Currency Contracts
 
Starting Interest Rate Swap
 
Translation Adjustment
 
Total
Balance at October 31, 2016
$
139

 
$
(1,091
)
 
$
(5,967
)
 
$
(17,410
)
 
$
(24,329
)
Other comprehensive income (loss) before reclassifications
(527
)
 
4,897

 
(815
)
 
(1,753
)
 
1,802

Amounts reclassified from AOCI
—

 
—

 
1,341

 
—

 
1,341

Balance at April 30, 2017
$
(388
)
 
$
3,806

 
$
(5,441
)
 
$
(19,163
)
 
$
(21,186
)

The following table summarizes the changes in AOCI for the six months ended April 30, 2016:

 
Unrealized
 
Unrealized
 
Unrealized
 
Cumulative
 
 
 
Gain/(Loss)
on
 
Gain/(Loss)
on
 
Gain/(Loss) on Forward
 
Foreign Currency
 
 
 
Marketable Securities
 
Foreign Currency Contracts
 
Starting Interest Rate Swap
 
Translation Adjustment
 
Total
Balance at October 31, 2015
$
(78
)
 
$
(268
)
 
$
(5,522
)
 
$
(16,258
)
 
$
(22,126
)
Other comprehensive income (loss) before reclassifications
256

 
760

 
(1,478
)
 
4,693

 
4,231

Amounts reclassified from AOCI
—

 
704

 
1,572

 
—

 
2,276

Balance at April 30, 2016
$
178

 
$
1,196

 
$
(5,428
)
 
$
(11,565
)
 
$
(15,619
)


All amounts reclassified from AOCI related to settlement (gains) losses on foreign currency forward contracts designated as cash flow hedges impacted research and development expense on the Condensed Consolidated Statements of Operations. All amounts reclassified from AOCI related to settlement (gains) losses on forward starting interest rate swaps designated as cash flow hedges impacted interest and other income (loss), net on the Condensed Consolidated Statements of Operations.