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Earnout Liability (Tables)
12 Months Ended
Sep. 30, 2017
Earnout Liability [Abstract]  
Schedule of earnout liability measured using significant unobservable inputs (Level 3)

The following table provides a reconciliation of the beginning and ending balances for the earnout liability measured using significant unobservable inputs (Level 3):

 

Balance – September 24, 2016   $  
Initial value of earnout liability     9,575  
Change in fair value of earnout liability     7,127  
Foreign currency translation     26  
Balance – September 30, 2017   $ 16,728