Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v3.6.0.2
Goodwill and intangible assets (Tables)
 6 Months Ended
Jan. 31, 2017
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 in the Life Sciences segment is as follows:

    Gross     Accumulated Amortization     Net  
July 31, 2016   $ 27,650     $ (23,228 )   $ 4,422  
Amortization expense     —       (819 )     (819 )
Foreign currency translation     (203 )     160       (43 )
January 31, 2017   $ 27,447     $ (23,887 )   $ 3,560  
Schedule of Intangible Assets [Table Text Block] Intangible assets, all finite lived, consist of the following:

    January 31, 2017     July 31, 2016  
    Gross     Accumulated
Amortization		     Net     Gross     Accumulated
Amortization		     Net  
Patents   $ 11,026     $ (10,922 )   $ 104     $ 11,027     $ (10,905 )   $ 122  
Customer relationships     12,007       (8,739 )     3,268       12,122       (8,331 )     3,791  
Website and acquired content     1,005       (1,005 )     —       1,011       (1,011 )     —  
Licensed technology and other     475       (440 )     35       485       (437 )     48  
Trademarks     2,934       (2,781 )     153       3,005       (2,544 )     461  
Total   $ 27,447     $ (23,887 )   $ 3,560     $ 27,650     $ (23,228 )   $ 4,422  
Schedule of Useful Lives For Acquisitions [Table Text Block] At January 31, 2017, information with respect to intangibles assets acquired is as follows:

    Useful life assigned   Weighted average
remaining useful life
Customer relationships   8-15 years   3.5 years
Trademarks   5 years   0.5 year
Other intangibles   10 years   2.5 years