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8th Ave (Details) - USD ($) $ in Millions	3 Months Ended
8th Ave (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule of Equity Method Investments
Net Sales	$ 1,974.7	$ 1,965.9
Accounts payable	563.2		$ 483.8
Other liabilities	332.6		343.4
8th Avenue
Schedule of Equity Method Investments
Net Sales	2.4	1.7
Purchases from and Royalties paid to Related Party	20.3	$ 19.9
Accounts Payable \| 8th Avenue
Schedule of Equity Method Investments
Accounts payable	16.4		14.2
Other Assets \| 8th Avenue
Schedule of Equity Method Investments
Other assets	12.9		12.9
Other Liabilities \| 8th Avenue
Schedule of Equity Method Investments
Other liabilities	$ 0.7		0.7
8th Avenue
Schedule of Equity Method Investments
Equity Method Investment, Ownership Percentage	60.50%
8th Avenue \| Equity Method Investments
Schedule of Equity Method Investments
Equity method investments	$ 0.0		$ 0.0	$ 0.0