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Accumulated Other Comprehensive Income (Tables)
 6 Months Ended
Apr. 30, 2018
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") for the six months ended April 30, 2018:
 
Unrealized Loss on
 
Unrealized Gain (Loss)
on
 
Unrealized Gain on Forward
 
Cumulative Foreign Currency
 
 
 
Marketable Securities
 
Foreign Currency Contracts
 
Starting Interest Rate Swap
 
Translation Adjustment
 
Total
Balance at October 31, 2017
$
(451
)
 
$
(1,386
)
 
$
218

 
$
(9,398
)
 
$
(11,017
)
Other comprehensive income (loss) before reclassifications
(337
)
 
(440
)
 
4,725

 
1,069

 
5,017

Amounts reclassified from AOCI
—

 
405

 
523

 
—

 
928

Balance at April 30, 2018
$
(788
)
 
$
(1,421
)
 
$
5,466

 
$
(8,329
)
 
$
(5,072
)

The following table summarizes the changes in AOCI for the six months ended April 30, 2017:

 
Unrealized Gain/(Loss)
on
 
Unrealized Gain (Loss)
on
 
Unrealized Gain (Loss) on Forward
 
Cumulative 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
)
 
52

 
3,556

 
(1,753
)
 
1,328

Amounts reclassified from AOCI
—

 
474

 
1,341

 
—

 
1,815

Balance at April 30, 2017
$
(388
)
 
$
(565
)
 
$
(1,070
)
 
$
(19,163
)
 
$
(21,186
)