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, 2013
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     —       (468 )     (468 )
Foreign currency translation     240       (151 )     89  
October 31, 2013   $ 28,454     $ (18,890 )   $ 9,564  
Schedule of Intangible Assets [Table Text Block] Intangible assets consist of the following:

    October 31, 2013     July 31, 2013  
    Gross     Accumulated
Amortization 		    Net     Gross     Accumulated
Amortization 		    Net  
Patents   $ 11,027     $ (10,610 )   $ 417     $ 11,027     $ (10,587 )   $ 440  
Customer relationships     12,582       (5,770 )     6,812       12,446       (5,448 )     6,998  
Website and acquired content     1,035       (1,005 )     30       1,026       (980 )     46  
Licensed technology and other     524       (406 )     118       513       (382 )     131  
Trademarks     3,286       (1,099 )     2,187       3,202       (874 )     2,328  
Total   $ 28,454     $ (18,890 )   $ 9,564     $ 28,214     $ (18,271 )   $ 9,943  
Schedule of Useful Lives For Acquisitions [Table Text Block] At October 31, 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       7 years  
Trademarks           5   4 years  
Other intangibles   4   5       2 years