EMPLOYEE BENEFIT PLANS - Summary of Allocation of Pension Plan Assets (Details)	Sep. 30, 2023	Sep. 30, 2022
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	100.00%	100.00%
Non U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	100.00%	100.00%
Equity Securities | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	30.00%	31.00%
Equity Securities | Non U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	0.00%	0.00%
Fixed Income Securities | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	70.00%	69.00%
Fixed Income Securities | Non U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	49.00%	42.00%
Other | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	0.00%	0.00%
Other | Non U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan assets, target allocation percentage	51.00%	58.00%