Accumulated Other Comprehensive Income
 12 Months Ended
Oct. 31, 2018
Statement of Comprehensive Income [Abstract]  
Accumulated Other Comprehensive Income
ACCUMULATED OTHER COMPREHENSIVE INCOME
The following table summarizes the changes in accumulated balances of other comprehensive income (“AOCI”):
 
 
Unrealized Gain/(Loss) on Available-for-Sale Securities
 
Unrealized Gain/(Loss) on Foreign Currency Forward Contracts
 
Unrealized Gain/(Loss) on Forward Starting Interest Rate Swaps
 
Cumulative Foreign Currency Translation Adjustment
 
Total
Balance at October 31, 2015
 
$
(78
)
 
$
(268
)
 
$
(5,522
)
 
$
(16,258
)
 
$
(22,126
)
Other comprehensive gain (loss) before reclassifications
 
217

 
(1,453
)
 
(4,101
)
 
(1,152
)
 
(6,489
)
Amounts reclassified from AOCI
 
—

 
630

 
3,656

 
—

 
4,286

Balance at October 31, 2016
 
139

 
(1,091
)
 
(5,967
)
 
(17,410
)
 
(24,329
)
Other comprehensive gain (loss) before reclassifications
 
(590
)
 
1,290

 
3,669

 
8,012

 
12,381

Amounts reclassified from AOCI
 
—

 
(1,585
)
 
2,516

 
—

 
931

Balance at October 31, 2017
 
(451
)
 
(1,386
)
 
218

 
(9,398
)
 
(11,017
)
Other comprehensive gain (loss) before reclassifications
 
26

 
(3,242
)
 
6,011

 
686

 
3,481

Amounts reclassified from AOCI
 
—

 
1,568

 
188

 
—

 
1,756

Balance at October 31, 2018
 
$
(425
)
 
$
(3,060
)
 
$
6,417

 
$
(8,712
)
 
$
(5,780
)

All amounts reclassified from AOCI related to settlement (gains) losses on foreign currency forward contracts designated as cash flow hedges impacted revenue, research and development expense or sales and marketing expense on the 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 Consolidated Statements of Operations.