Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v2.4.0.8
Goodwill and intangible assets (Tables)
 6 Months Ended
Jan. 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 in the Life Sciences segment is as follows:

    Gross     Accumulated Amortization     Net  
July 31, 2013   $ 28,214     $ (18,271 )   $ 9,943  
Amortization expense     —       (928 )     (928 )
Foreign currency translation     257       (161 )     96  
January 31, 2014   $ 28,471     $ (19,360 )   $ 9,111  
Schedule of Intangible Assets [Table Text Block] Intangible assets consist of the following:

    January 31, 2014     July 31, 2013  
    Gross     Accumulated
Amortization 		    Net     Gross     Accumulated
Amortization 		    Net  
Patents   $ 11,027     $ (10,632 )   $ 395     $ 11,027     $ (10,587 )   $ 440  
Customer relationships     12,594       (6,038 )     6,556       12,446       (5,448 )     6,998  
Website and acquired content     1,036       (1,023 )     13       1,026       (980 )     46  
Licensed technology and other     531       (414 )     117       513       (382 )     131  
Trademarks     3,283       (1,253 )     2,030       3,202       (874 )     2,328  
Total   $ 28,471     $ (19,360 )   $ 9,111     $ 28,214     $ (18,271 )   $ 9,943  
Schedule of Useful Lives For Acquisitions [Table Text Block] At January 31, 2014 information with respect to the intangibles acquired is as follows:

  Useful life assigned (in years)   Weighted average
remaining useful life
 
Minimum
Maximum
     
 
   
Customer relationships
8
15
  6.5 years
Trademarks
5
  3.5 years
Other intangibles
4
5
  1.5 years