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8th Ave (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
8th Ave (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2023	Sep. 30, 2022
Schedule of Equity Method Investments
Net Sales	$ 1,947.7	$ 1,859.4	$ 5,912.6	$ 5,045.6
Accounts payable	392.6		392.6		$ 368.8
Other liabilities	271.8		271.8		276.7
8th Avenue
Schedule of Equity Method Investments
Net Sales	1.5	1.2	5.3	6.7
Purchases from and Royalties paid to Related Party	21.5	$ 16.8	61.1	$ 65.2
Accounts Payable \| 8th Avenue
Schedule of Equity Method Investments
Accounts payable	15.6		15.6		13.3
Other Assets \| 8th Avenue
Schedule of Equity Method Investments
Accounts Receivable, after Allowance for Credit Loss, Noncurrent	12.9		12.9		12.9
Other Liabilities \| 8th Avenue
Schedule of Equity Method Investments
Other liabilities	$ 0.7		$ 0.7		0.7
8th Avenue
Schedule of Equity Method Investments
Equity Method Investment, Ownership Percentage	60.50%		60.50%
8th Avenue \| Equity Method Investments
Schedule of Equity Method Investments
Equity method investments	$ 0.0		$ 0.0		$ 0.0	$ 0.0