STOCKHOLDERS' EQUITY (Tables)
 3 Months Ended
Apr. 30, 2016
Stockholders' Equity Note [Abstract]  
Summary of components of accumulated other comprehensive loss
The following table summarizes changes in the components of our accumulated other comprehensive income (loss) by component for the three months ended April 30, 2016:
(in thousands)
 
Unrealized (Losses) Gains on Foreign Exchange Contracts Designated as Hedges
 
Unrealized Loss on Interest Rate Swap Designated as Hedge
 
Unrealized (Losses) Gains on Available-for-Sale Investments
 
Foreign Currency Translation Adjustments
 
Total
Accumulated other comprehensive loss at January 31, 2016
 
$
(1,871
)
 
$
—

 
$
(110
)
 
$
(114,213
)
 
$
(116,194
)
Other comprehensive income (loss) before reclassifications
 
4,797

 
(429
)
 
105

 
13,232

 
17,705

Gains reclassified out of accumulated other comprehensive income (loss)
 
545

 
—

 
—

 
—

 
545

Net other comprehensive income (loss), current period
 
4,252

 
(429
)
 
105

 
13,232

 
17,160

Accumulated other comprehensive income (loss) at April 30, 2016
 
$
2,381

 
$
(429
)
 
$
(5
)
 
$
(100,981
)
 
$
(99,034
)
Schedule of amounts reclassified out of accumulated other comprehensive income (loss) into the statement of operations by location
The amounts reclassified out of accumulated other comprehensive income (loss) into the condensed consolidated statement of operations, with presentation location, for the three months ended April 30, 2016 and 2015 were as follows:
 
 
Three Months Ended
April 30,
 
 
(in thousands)
 
2016
 
2015
 
Location
Unrealized gains (losses) on derivative financial instruments:
 
 
 
 
 
 
Foreign currency forward contracts
 
$
57

 
$
(289
)
 
Cost of product revenue
 
 
43

 
(254
)
 
Cost of service and support revenue
 
 
334

 
(1,805
)
 
Research and development, net
 
 
172

 
(845
)
 
Selling, general and administrative
 
 
606

 
(3,193
)
 
Total, before income taxes
 
 
(61
)
 
363

 
(Provision) benefit for income taxes
 
 
$
545

 
$
(2,830
)
 
Total, net of income taxes