SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets Estimated Useful Lives (Details)	12 Months Ended
	Sep. 30, 2022
Customer relationships | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	5 years
Customer relationships | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	15 years
Intellectual property | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	8 years
Intellectual property | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	9 years
Non-compete agreements | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	4 years
Non-compete agreements | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	5 years
Other | Minimum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	0 years
Other | Maximum
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Line Items]
Estimated Useful Lives	20 years