ACQUISITIONS: FY2014 Acquisition (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended
Sep. 11, 2013
IBM Customer Care [Member]
May 31, 2014
IBM Customer Care [Member]
Apr. 30, 2014
IBM Customer Care Acquisition Closed Countries [Member]
Apr. 30, 2014
IBM Customer Care Acquisition Closed Countries [Member]
Other Current Assets [Member]
Apr. 30, 2014
IBM Customer Care Acquisition Closed Countries [Member]
Other Assets [Member]
May 31, 2014
IBM CRM Acquisition Subsequent Closing [Member]
Business Combination, Description [Abstract]            
Purchase price $ 503,335   $ 500,949      
Percentage of acquisition completed     99.50%      
Business acquisition consideration payable   40,000       2,386
Common stock, shares issued     1,266      
Fair value of employee awards assumed     11,003      
Prepaid compensation costs     16,321 13,232 3,089  
Business Combination, Consideration Transferred [Abstract]            
Cash payment     390,000      
Stock consideration     71,106      
Cash consideration payable     37,614      
Preliminary fair value of stock awards assumed     $ 2,229