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Other Income (Expense), net (Tables)
 6 Months Ended
Apr. 30, 2016
Other Income and Expenses [Abstract]  
Components of Other Income (Expense), Net
The following table presents the components of other income (expense), net:
 
Three Months Ended 
 April 30,
 
Six Months Ended 
 April 30,
 
2016
 
2015
 
2016
 
2015
 
(in thousands)
Interest income
$
889

 
$
552

 
$
1,469

 
$
1,700

Interest expense
(848
)
 
(804
)
 
(1,521
)
 
(1,457
)
Gain (loss) on assets related to executive deferred compensation plan
8,707

 
5,973

 
(687
)
 
5,276

Foreign currency exchange gain (loss)
(783
)
 
511

 
(202
)
 
4,205

Other, net
2,452

 
1,725

 
4,590

 
3,349

Total
$
10,417

 
$
7,957

 
$
3,649

 
$
13,073