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Restructuring (Tables)
12 Months Ended
Sep. 30, 2019
Restructuring and Related Activities [Abstract]  
Schedule of Changes in Restructuring Accrual The following table summarizes changes in the restructuring accrual during the year ended September 30, 2019 (amounts shown in thousands):
Balance at September 30, 2018$—  
Costs incurred3,067  
Payments(1,473) 
Foreign currency effect on the restructuring accrual(68) 
Balance at September 30, 2019$1,526