Annual report [Section 13 and 15(d), not S-K Item 405]

DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounting for Non-qualified Deferred Compensation Plan (Details)

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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounting for Non-qualified Deferred Compensation Plan (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]      
Non-qualified deferred compensation plan payout period 15 years    
SG&A      
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]      
Executive deferred compensation program, compensation expense $ 41.5 $ 37.2 $ 27.6
Net gains on Deferred Savings Plan assets $ 40.7 $ 36.6 $ 27.6