Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Details) - Schedule of indefinite-lived intangible assets

v2.4.0.8
Goodwill and intangible assets (Details) - Schedule of indefinite-lived intangible assets (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Jul. 31, 2013
Indefinite-lived Intangible Assets [Line Items]      
Gross $ 28,649   $ 28,214
Accumulated Amortization (19,935)   (18,271)
Net 8,714   9,943
Amortization expense (1,387) (1,494)  
Life Sciences [Member]
     
Indefinite-lived Intangible Assets [Line Items]      
Gross 28,649   28,214
Accumulated Amortization (19,935)   (18,271)
Net 8,714   9,943
Amortization expense (1,387)    
Foreign currency translation 435    
Foreign currency translation (277)    
Foreign currency translation $ 158