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RESTRUCTURING CHARGES - Narrative (Details) $ in Thousands	12 Months Ended			35 Months Ended
RESTRUCTURING CHARGES - Narrative (Details) $ in Thousands	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2022 USD ($) position
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	$ 11,983	$ 14,926	$ 8,132
Restructuring and related cost, incurred cost	16,782	21,418	13,669
Impairment charge, operating lease			1,968
Impairment charge, leasehold improvements			671
Consumer and Professional Products \| Next-generation Business Platform
Restructuring Cost and Reserve [Line Items]
Restructuring charges				$ 51,869
Payments for restructuring	11,951	14,763	8,977
Noncash asset related charges				$ 16,178
Number of headcount reduced \| position				420
Restructuring and related cost, incurred cost		21,418	13,669
Impairment of inventory	3,805	4,158	304
Impairment of machinery and equipment		1,882	1,749
Impairment charge, operating lease			1,968
Impairment charge, leasehold improvements			671
Employee Severance and Facility Closing \| Consumer and Professional Products \| Next-generation Business Platform
Restructuring Cost and Reserve [Line Items]
Payments for restructuring				$ 35,691
Personnel Related Costs
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	4,156	3,353	5,039
Restructuring and related cost, incurred cost	4,124	3,190	5,620
Personnel Related Costs \| Consumer and Professional Products \| Next-generation Business Platform
Restructuring Cost and Reserve [Line Items]
Payments for restructuring				12,934
Restructuring and related cost, incurred cost		3,190	5,620
Facilities, Exit Costs and Other
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	7,827	11,573	3,093
Restructuring and related cost, incurred cost	7,827	11,573	3,357
Facilities, Exit Costs and Other \| Consumer and Professional Products \| Next-generation Business Platform
Restructuring Cost and Reserve [Line Items]
Payments for restructuring				$ 22,757
Restructuring and related cost, incurred cost		11,573	3,357
One Time Charges \| Consumer and Professional Products \| Next-generation Business Platform
Restructuring Cost and Reserve [Line Items]
Restructuring charges	51,869
Capital Investments \| Consumer and Professional Products \| Next-generation Business Platform
Restructuring Cost and Reserve [Line Items]
Payments to acquire productive assets	15,000
Non-cash facility and other
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	0	0	0
Restructuring and related cost, incurred cost	4,831	6,655	4,692
Non-cash facility and other \| Consumer and Professional Products \| Next-generation Business Platform
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost		$ 6,655	$ 4,692
Non-cash facility, disposal of fixed assets
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	$ 1,026