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Interest and other expense, net (Tables)
12 Months Ended
Sep. 30, 2021
Interest and other expense, net  
Interest and Other Expense, Net
Interest and other expense, net, consists of the following:
 
    
Year Ended September 30,
 
    
2021
    
2020
    
2019
 
Interest income
   $ (4,822    $ (4,233    $ (6,225
Interest expense
 
(1)
     21,275        10,427        3,911  
Foreign exchange loss
     1,110        3,382        7,860  
Other, net
     (6,766      1,860        (3,687
    
 
 
    
 
 
    
 
 
 
     $ 10,797      $ 11,436      $ 1,859  
    
 
 
    
 
 
    
 
 
 
 
(1)
For further details, please see Note 12 to the consolidated financial statements.