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FINANCIAL STATEMENT SCHEDULE II (Details) (Allowance for Doubtful Accounts [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Jul. 31, 2011
Allowance for Doubtful Accounts [Member]
     
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Year $ 11,733 $ 8,383 $ 10,804
Additions to Reserve 7,173 3,387 1,455
Write-offs (4,498) (1,103) (3,471)
Translation / Other Adjustments 492 1,066 (405)
Balance at End of Year $ 14,900 $ 11,733 $ 8,383