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OTHER LONG-TERM ASSETS
 12 Months Ended
Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
OTHER LONG-TERM ASSETS OTHER LONG-TERM ASSETS
Other long-term assets consisted of the following:
September 30,
20202019
Long-term right of use assets$30,999 $— 
Long-term vendor contract assets2,889 1,164 
Long-term SERP investments1,214 980 
Prepaid unamortized debt issuance costs - revolver537 709 
Other long-term assets4,368 2,858 
Total$40,007 $5,711