Annual report pursuant to Section 13 and 15(d)

Business combinations (Details 5)

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Business combinations (Details 5) - DeltaWare
$ in Thousands, CAD in Millions
12 Months Ended
Sep. 30, 2015
USD ($)
Sep. 30, 2015
CAD
Feb. 10, 2010
Business combinations      
Share capital acquired (as a percent)     100.00%
Contingent consideration payable, based upon sales of acquiree products | CAD   CAD 1  
Contingent consideration      
Balance at the beginning of the period $ 358    
Reduction in estimate (302)    
Foreign currency translation (56)    
Sales targets      
Business combinations      
Contingent consideration payable, based upon sales of acquiree products | CAD   CAD 4  
Sales of acquiree products $ 0