Revenue (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue
Net Sales	$ 306.5	$ 282.4
Shakes and other beverages
Disaggregation of Revenue
Net Sales	245.0	234.2
Powders
Disaggregation of Revenue
Net Sales	50.8	35.4
Nutrition bars
Disaggregation of Revenue
Net Sales	9.1	11.6
Other
Disaggregation of Revenue
Net Sales	$ 1.6	$ 1.2

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details