v3.26.1
REVENUE (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue        
Net Sales $ 570.4 $ 547.5 $ 1,706.4 $ 1,668.4
Shakes        
Disaggregation of Revenue        
Net Sales 443.3 438.3 1,374.4 1,365.3
Powders        
Disaggregation of Revenue        
Net Sales 108.6 92.4 284.9 261.6
Other        
Disaggregation of Revenue        
Net Sales $ 18.5 $ 16.8 $ 47.1 $ 41.5