v3.7.0.1
Other Expense, Net (Tables)
 3 Months Ended
Apr. 30, 2017
Other Income and Expenses [Abstract]  
Other Expense, Net
Other expense, net consisted of the following (in thousands):
 
Three Months Ended April 30,
 
2017
 
2016
Interest income
$
4,029

 
$
2,214

Interest expense (1)
(6,986
)
 
(8,031
)
Other income (expense)
1,294

 
(21
)
Other expense, net
$
(1,663
)
 
$
(5,838
)
(1) 
Interest expense includes the contractual interest expense related to the 2018 Notes and 2020 Notes and non-cash interest related to amortization of the debt discount and debt issuance costs (see Note 10).