MARKETING AGREEMENT - Additional Information (Details)		12 Months Ended
	Aug. 01, 2019 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Schedule of Costs Related to Purchase Obligations [Line Items]
Net sales		$ 3,551,300,000	$ 3,924,100,000	$ 4,925,000,000
Restated Marketing Agreement
Schedule of Costs Related to Purchase Obligations [Line Items]
Commission threshold, percentage of program earnings	50.00%
Annual contribution payment	$ 18,000,000.0
Third Restated Agreement
Schedule of Costs Related to Purchase Obligations [Line Items]
Minimum EBIT to avoid reduction of contribution payment	36,000,000.0
Minimum EBIT	50,000,000.0
Minimum termination fee payable	175,000,000.0
Brand decommissioning event payable	$ 375,000,000.0
Minimum termination fee payable, multiple of average program earnings, prior 3 years	4
Minimum termination fee payable, threshold	$ 186,400,000