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Accumulated Other Comprehensive Income (Tables)
 3 Months Ended
Jan. 31, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income
The following table summarizes the changes in accumulated balances of other comprehensive income (“AOCI”), net of tax, for the three months ended January 31, 2019:
 
Unrealized
 
Unrealized Loss
on
 
Unrealized Loss on
 
Cumulative
 
 
 
Loss on Available-for-sale Securities
 
Foreign Currency Forward Contracts
 
Forward Starting Interest Rate Swaps
 
Foreign Currency
Translation Adjustment
 
Total
Balance at October 31, 2018
$
(425
)
 
$
(3,060
)
 
$
6,417

 
$
(8,712
)
 
$
(5,780
)
Other comprehensive income (loss) before reclassifications
301

 
402

 
(7,593
)
 
1,150

 
(5,740
)
Amounts reclassified from AOCI
—

 
1,158

 
(278
)
 
—

 
880

Balance at January 31, 2019
$
(124
)
 
$
(1,500
)
 
$
(1,454
)
 
$
(7,562
)
 
$
(10,640
)

The following table summarizes the changes in AOCI, net of tax, for the three months ended January 31, 2018:

 
Unrealized
 
Unrealized Gain
on
 
Unrealized Gain on
 
Cumulative
 
 
 
Loss on Available-for-sale Securities
 
Foreign Currency Forward Contracts
 
Forward Starting Interest Rate Swaps
 
Foreign Currency
Translation Adjustment
 
Total
Balance at October 31, 2017
$
(451
)
 
$
(1,386
)
 
$
218

 
$
(9,398
)
 
$
(11,017
)
Other comprehensive income (loss) before reclassifications
(261
)
 
1,624

 
3,479

 
8,202

 
13,044

Amounts reclassified from AOCI
—

 
(71
)
 
419

 
—

 
348

Balance at January 31, 2018
$
(712
)
 
$
167

 
$
4,116

 
$
(1,196
)
 
$
2,375