Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details)

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MARKETABLE SECURITIES - Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Jun. 30, 2023
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Fair Value $ 824,483 $ 688,793
Less than 12 Months, Gross Unrealized Losses (2,662) (7,017)
12 Months or Greater, Fair Value 233,057 398,397
12 Months or Greater, Gross Unrealized Losses (3,429) (9,333)
Fair Value 1,057,540 1,087,190
Gross Unrealized Losses (6,091) (16,350)
Corporate debt securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Fair Value 295,694 310,613
Less than 12 Months, Gross Unrealized Losses (823) (2,242)
12 Months or Greater, Fair Value 81,327 161,263
12 Months or Greater, Gross Unrealized Losses (1,100) (3,671)
Fair Value 377,021 471,876
Gross Unrealized Losses (1,923) (5,913)
Municipal securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Fair Value 13,938 9,011
Less than 12 Months, Gross Unrealized Losses (91) (199)
12 Months or Greater, Fair Value 8,088 17,253
12 Months or Greater, Gross Unrealized Losses (117) (538)
Fair Value 22,026 26,264
Gross Unrealized Losses (208) (737)
U.S. Government agency securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Fair Value 54,739 80,793
Less than 12 Months, Gross Unrealized Losses (227) (459)
12 Months or Greater, Fair Value 2,517 36,406
12 Months or Greater, Gross Unrealized Losses (4) (459)
Fair Value 57,256 117,199
Gross Unrealized Losses (231) (918)
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 Months, Fair Value 460,112 288,376
Less than 12 Months, Gross Unrealized Losses (1,521) (4,117)
12 Months or Greater, Fair Value 141,125 183,475
12 Months or Greater, Gross Unrealized Losses (2,208) (4,665)
Fair Value 601,237 471,851
Gross Unrealized Losses $ (3,729) $ (8,782)