Quarterly report [Sections 13 or 15(d)]

MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details)

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MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Jun. 30, 2025
Debt Securities, Available-for-sale [Line Items]    
Available-for-sale securities, fair value $ 2,738,466  
Money market funds and other 2,029,446 $ 1,531,022
Subtotal, amortized cost 4,470,838 3,547,260
Subtotal, gross unrealized gains 10,677 7,830
Subtotal, gross unrealized losses (66) (454)
Subtotal, fair value 4,481,449 3,554,636
Add: Time deposits 401,850 478,191
Cash equivalents, amortized cost 2,144,833 1,641,074
Cash equivalents, gross unrealized gains 1 1
Cash equivalents, gross unrealized losses (1) (1)
Cash equivalents, fair value 2,144,833 1,641,074
Amortized Cost 2,727,855 2,384,377
Marketable securities, gross unrealized gains 10,676 7,829
Marketable securities, gross unrealized losses (65) (453)
Available-for-sale marketable securities, Fair Value 2,738,466 2,391,753
Corporate debt securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 1,130,306 957,256
Available-for-sale securities, gross unrealized gains 4,938 4,456
Available-for-sale securities, gross unrealized losses (29) (66)
Available-for-sale securities, fair value 1,135,215 961,646
Municipal securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 38,094 57,445
Available-for-sale securities, gross unrealized gains 142 129
Available-for-sale securities, gross unrealized losses 0 (1)
Available-for-sale securities, fair value 38,236 57,573
U.S. Government agency securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 113,763 116,436
Available-for-sale securities, gross unrealized gains 488 458
Available-for-sale securities, gross unrealized losses (18) (58)
Available-for-sale securities, fair value 114,233 116,836
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 1,159,229 885,101
Available-for-sale securities, gross unrealized gains 5,109 2,787
Available-for-sale securities, gross unrealized losses (19) (329)
Available-for-sale securities, fair value $ 1,164,319 $ 887,559