Annual report pursuant to Section 13 and 15(d)

Goodwill and intangible assets (Tables)

v3.3.0.814
Goodwill and intangible assets (Tables)
 12 Months Ended
Jul. 31, 2015
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, 2013   $ 28,214     $ (18,271 )   $ 9,943  
Amortization expense     —       (1,840 )     (1,840 )
Foreign currency translation     264       (259 )     5  
July 31, 2014   $ 28,478     $ (20,370 )   $ 8,108  
Amortization expense     —       (1,770 )     (1,770 )
Foreign currency translation     (640 )     457       (183 )
July 31, 2015   $ 27,838     $ (21,683 )   $ 6,155  
Schedule of Intangible Assets [Table Text Block] Intangible assets, all finite-lived, consist of the following:

    July 31, 2015     July 31, 2014  
    Gross     Accumulated
Amortization		     Net     Gross     Accumulated
Amortization		     Net  
Patents   $ 11,028     $ (10,871 )   $ 157     $ 11,027     $ (10,775 )   $ 252  
Customer relationships     12,243       (7,398 )     4,845       12,602       (6,565 )     6,037  
Website and acquired content     1,020       (1,020 )     —       1,037       (1,037 )     —  
Licensed technology and other     518       (441 )     77       537       (434 )     103  
Trademarks     3,029       (1,953 )     1,076       3,275       (1,559 )     1,716  
Total   $ 27,838     $ (21,683 )   $ 6,155     $ 28,478     $ (20,370 )   $ 8,108  
Schedule of Useful Lives For Acquisitions [Table Text Block] At July 31, 2015 information with respect to the intangibles acquired is as follows:

      Useful life
assigned		     Weighted average
remaining useful life		  
Customer relationships     8-15 years     5 years  
Trademarks     5 years     2 years  
Other intangibles     10 years     4 years  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Estimated amortization expense related to these finite-lived intangible assets for the five succeeding fiscal years ending July 31 is as follows:

2016    $ 1,620  
2017     1,508  
2018     1,141  
2019     827  
2020     512