v3.26.1
RELATED PARTY TRANSACTIONS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 18, 2025
Oct. 01, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Related Party Transaction [Line Items]          
Gain on sale     $ (373.5) $ (371.7) $ (90.2)
Selling, general and administrative expenses     $ 3,107.9 3,103.4 3,162.4
Wella Company          
Related Party Transaction [Line Items]          
Equity method investment, amount sold (percentage) 25.80%        
JAB Partners LLP          
Related Party Transaction [Line Items]          
Lessee, operating lease, remaining lease term     5 years    
Minimum service period   1 year      
Selling, general and administrative expenses     $ 1.0    
Accrued liabilities     0.3    
JAB Partners LLP | Performance Guarantee          
Related Party Transaction [Line Items]          
Maximum potential future payments     2.6    
Wella Company          
Related Party Transaction [Line Items]          
Gain on sale     3.4 10.1 19.7
Wella Company | Management, Consulting and Financial Services          
Related Party Transaction [Line Items]          
Revenue from related party     0.7 1.2 1.2
Wella Company | Transition Services Agreement Fees          
Related Party Transaction [Line Items]          
Revenue from related party     0.0 0.2 2.2
Wella Company | Related Party Transaction, Other Fees          
Related Party Transaction [Line Items]          
Revenue from related party     $ 5.2 $ 5.0 $ 10.0