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Other Long-Term Assets
 12 Months Ended
Sep. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Long-Term Assets OTHER LONG-TERM ASSETS
September 30,
20212020
Right of use assets$29,302 $30,999 
Interest rate swap (See Note 15)
12,335 — 
Prepaid unamortized debt issuance cost - revolver2,201 537 
SERP investments1,439 1,214 
Vendor contract assets1,329 2,889 
Other long-term assets5,378 4,368 
Total$51,984 $40,007