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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Oct. 31, 2013
Oct. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS    
Net loss $ (27,306) $ (28,265)
Foreign currency translation adjustment (3,233) 514
Unrealized loss on interest rate swaps (2,516)  
Unrealized gain (loss) on securities, net 74 (55)
Comprehensive loss $ (32,981) $ (27,806)