DERIVATIVE FINANCIAL INSTRUMENTS (Tables)
 3 Months Ended
Apr. 30, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of fair values of derivative financial instruments
The fair values of our derivative financial instruments and their classifications in our condensed consolidated balance sheets as of April 30, 2016 and January 31, 2016 were as follows:
 
 
 
Fair Value at
 
 
 
April 30,
 
January 31,
(in thousands) 
Balance Sheet Classification
 
2016
 
2016
Derivative assets:
 
 
 
 
 
Foreign currency forward contracts:
 
 
 
 
 
   Designated as cash flow hedges
Prepaid expenses and other current assets
 
$
2,800

 
$
—

   Not designated as hedging instruments
Prepaid expenses and other current assets
 
1

 
113

      Total derivative assets
 
 
$
2,801

 
$
113

 
 
 
 
 
 
Derivative liabilities:
 
 
 
 
 
Foreign currency forward contracts:
 
 
 
 
 
   Designated as cash flow hedges
Accrued expenses and other current liabilities
 
$
42

 
$
2,108

   Not designated as hedging instruments
Accrued expenses and other current liabilities
 
1,544

 
239

 
Other liabilities
 
256

 
30

Interest rate swap agreement, designated as a cash flow hedge
Accrued expenses and other current liabilities
 
256

 
—

 
Other liabilities
 
173

 
—

      Total derivative liabilities
 
 
$
2,271

 
$
2,377
Schedule of the effects of derivative financial instruments designated as cash flow hedging instruments
The effects of derivative financial instruments designated as cash flow hedges on accumulated other comprehensive loss ("AOCL") and on the condensed consolidated statements of operations for the three months ended April 30, 2016 and 2015 were as follows:
 
 
Three Months Ended
April 30,
(in thousands) 
 
2016
 
2015
Net gains (losses) recognized in AOCL:
 
 
 
 
Foreign currency forward contracts
 
$
5,394

 
$
1,833

Interest rate swap agreement
 
(429
)
 
—

 
 
$
4,965

 
$
1,833

 
 
 
 
 
Net gains (losses) reclassified from AOCL to the condensed consolidated statements of operations:
 
 
 
 
Foreign currency forward contracts
 
$
606

 
$
(3,193
)
Schedule of (losses) gains recognized on derivative financial instruments not designated as hedging instruments
(Losses) gains recognized on derivative financial instruments not designated as hedging instruments in our condensed consolidated statements of operations for the three months ended April 30, 2016 and 2015 were as follows: 
 
 
Classification in Condensed Consolidated Statements of Operations
 
Three Months Ended
April 30,
 
(in thousands)
 
 
2016
 
2015
 
Foreign currency forward contracts
 
Other (expense) income, net
 
$
(1,559
)
 
$
132