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Acquisitions (Tables)
9 Months Ended
Apr. 30, 2014
Acquisitions [Abstract]  
Summary of acquisitions
    Three Months Ended April 30,     Nine Months Ended April 30,
(In thousands)   2014     2013     2014   2013
Total cash paid, net of cash acquired   $ 533     $ —       $          14,761   $          31,243
Contingent consideration     (533 )     —       -   3,690
Total acquisition price   $ —       $ —       $          14,761   $          34,933