Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v2.4.0.6
Goodwill and intangible assets (Tables)
 9 Months Ended
Apr. 30, 2013
Schedule of Indefinite-Lived Intangible Assets [Table Text Block] The Company’s change in the net carrying amount of intangible assets, all in the Life Sciences segment is as follows:
    Gross     Accumulated Amortization     Net  
July 31, 2012   $ 27,904     $ (16,124 )   $ 11,780  
Amortization expense     —       (1,494 )     (1,494 )
Foreign currency translation     275       (145 )     130  
April 30, 2013   $ 28,179     $ (17,763 )   $ 10,416  
Schedule of Intangible Assets [Table Text Block] Intangible assets consist of the following:
    April 30, 2013     July 31, 2012  
    Gross     Accumulated
Amortization 		    Net     Gross     Accumulated
Amortization 		    Net  
Patents   $ 11,027       (10,535 )   $ 492     $ 11,027     $ (10,439 )   $ 588  
Customer relationships     12,439       (5,185 )     7,254       12,304       (4,356 )     7,948  
Website and acquired content     1,026       (964 )     62       1,019       (874 )     145  
Licensed technology and other     500       (371 )     129       485       (300 )     185  
Trademarks     3,187       (708 )     2,479       3,069       (155 )     2,914  
Total   $ 28,179       (17,763 )     10,416     $ 27,904     $ (16,124 )   $ 11,780  
Schedule of Useful Lives For Acquisitions [Table Text Block] At April 30, 2013, information with respect to the intangibles acquired is as follows:
    Useful life assigned (in years)      
    Minimum   Maximum       Weighted average
remaining useful life 		 
Customer relationships   8   15       8 years  
Trademarks           5   4 years  
Other intangibles   4   10       2 years