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Fair Value (Tables)
12 Months Ended
Sep. 30, 2021
Fair Value Disclosures [Abstract]  
Schedule of Fair Value of Assets and Liabilities
Table 11: Fair Value
As of September 30, 2021
Level 1Level 2Level 3Balance
(in thousands)
Assets:
Deferred compensation assets - Rabbi Trust$28,516 $— $— $28,516 
Total assets$28,516 $— $— $28,516 
Liabilities:
Interest rate swap$— $410 $— $410 
Contingent consideration— — 270 270 
Total liabilities$— $410 $270 $680