v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Canton Coin Holdings (Details)
canton_Coin in Billions
 12 Months Ended
Jun. 30, 2026
USD ($)
canton_Coin
Jun. 30, 2025
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value $ 216,100,000 $ 0
Crypto Asset [Roll Forward]    
Realized gains (58,400,000) 0
Unrealized gains $ (178,400,000) 0
Canton Coins    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Quantity of Coins | canton_Coin 1.5  
Cost Basis $ 13,300,000  
Fair Value $ 216,100,000  
Units restricted | canton_Coin 1.3  
Restricted units, fair value $ 189,900,000  
Crypto Asset [Roll Forward]    
Beginning balance 0  
Opening Retained Earnings Adjustment 24,500,000  
Additions - Revenue 16,500,000  
Dispositions (8,500,000)  
Canton Digital Asset Treasury transaction (53,100,000)  
Total realized and unrealized gains included in other income (loss), net $ 236,700,000  
Crypto Asset, Realized and Unrealized Gain (Loss), Nonoperating, Statement of Income or Comprehensive Income [Extensible Enumeration] Other non-operating income (expenses), net  
Ending balance $ 216,100,000 $ 0