Quarterly report pursuant to Section 13 or 15(d)

Goodwill and intangible assets (Tables)

v2.4.0.8
Goodwill and intangible assets (Tables)
 9 Months Ended
Apr. 30, 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, 2013   $ 28,214     $ (18,271 )   $ 9,943  
Amortization expense     —       (1,387 )     (1,387 )
Foreign currency translation     435       (277 )     158  
April 30, 2014   $ 28,649     $ (19,935 )   $ 8,714  
Schedule of Intangible Assets [Table Text Block] Intangible assets consist of the following:

    April 30, 2014     July 31, 2013  
    Gross     Accumulated
Amortization 		    Net     Gross     Accumulated
Amortization 		    Net  
Patents   $ 11,027     $ (10,655 )   $ 372     $ 11,027     $ (10,587 )   $ 440  
Customer relationships     12,692       (6,349 )     6,343       12,446       (5,448 )     6,998  
Website and acquired content     1,042       (1,039 )     3       1,026       (980 )     46  
Licensed technology and other     536       (426 )     110       513       (382 )     131  
Trademarks     3,352       (1,466 )     1,886       3,202       (874 )     2,328  
Total   $ 28,649     $ (19,935 )   $ 8,714     $ 28,214     $ (18,271 )   $ 9,943  
Schedule of Useful Lives For Acquisitions [Table Text Block] At April 30, 2014, information with respect to intangibles assets acquired is as follows:

    Useful life assigned   Weighted average
remaining useful life 		 
Customer relationships   8-15 years   6.5 years  
Trademarks   5 years   3.5 years  
Other intangibles   4-5 years   1.5 years