Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Detail) - Schedule of Indefinite-Lived Intangible Assets

v2.4.0.6
Goodwill and intangible assets (Detail) - Schedule of Indefinite-Lived Intangible Assets (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Jul. 31, 2012
Gross $ 28,179   $ 27,904
Accumulated Amortization (17,763)   (16,124)
Net 10,416   11,780
Amortization expense 1,494 1,131  
Life Sciences [Member]
     
Gross 28,179   27,904
Accumulated Amortization (17,763)   (16,124)
Net 10,416   11,780
Amortization expense (1,494)    
Foreign currency translation 275    
Foreign currency translation (145)    
Foreign currency translation $ 130