Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v2.4.0.8
Goodwill and intangible assets (Tables)
 3 Months Ended
Oct. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Indefinite-Lived Intangible Assets [Table Text Block] The Company’s change in the net carrying amount of intangible assets, all of which is included in the Life Sciences segment is as follows:

    Gross     Accumulated Amortization     Net  
July 31, 2014   $ 28,478     $ (20,370 )   $ 8,108  
Amortization expense     —       (431 )     (431 )
Foreign currency translation     (384 )     264       (120 )
October 31, 2014   $ 28,094     $ (20,537 )   $ 7,557  
Schedule of Intangible Assets [Table Text Block] Intangible assets consist of the following:

    October 31, 2014     July 31, 2014  
    Gross     Accumulated
Amortization 		    Net     Gross     Accumulated
Amortization 		    Net  
Patents   $ 11,027     $ (10,784 )   $ 243     $ 11,027     $ (10,775 )   $ 252  
Customer relationships     12,388       (6,712 )     5,676       12,602       (6,565 )     6,037  
Website and acquired content     1,024       (1,024 )     —       1,037       (1,037 )     —  
Licensed technology and other     524       (428 )     96       537       (434 )     103  
Trademarks     3,131       (1,589 )     1,542       3,275       (1,559 )     1,716  
Total   $ 28,094     $ (20,537 )   $ 7,557     $ 28,478     $ (20,370 )   $ 8,108  
Schedule of Useful Lives For Acquisitions [Table Text Block] At October 31, 2014, information with respect to intangibles assets acquired is as follows:

    Useful life
assigned 		    Weighted average
remaining useful life 		 
Customer relationships   8-15 years     6 years  
Trademarks   5 years     3 years  
Other intangibles   4-5 years     1 year