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DEBT - Schedule of Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | --- | ---
Debt Instrument |  |  |
Total | $ 5,950,000 | $ 5,950,000 |
Unamortized discount/premium, net | (17,558) | (17,848) |
Unamortized debt issuance costs | (40,711) | (41,416) |
Total | 5,891,731 | 5,890,736 |
Long-term debt | $ 5,891,731 | 5,890,736 |
Fixed-rate 4.650% Senior Notes due on November 1, 2024 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 4.65% |  |
Debt outstanding | $ 750,000 | $ 750,000 |
Effective interest rate | 4.682% | 4.682% |
Fixed-rate 5.650% Senior Notes due on November 1, 2034 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 5.65% |  |
Debt outstanding | $ 250,000 | $ 250,000 |
Effective interest rate | 5.67% | 5.67% |
Fixed-rate 4.100% Senior Notes due on March 15, 2029 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 4.10% |  |
Debt outstanding | $ 800,000 | $ 800,000 |
Effective interest rate | 4.159% | 4.159% |
Fixed-rate 5.000% Senior Notes due on March 15, 2049 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 5.00% |  |
Debt outstanding | $ 400,000 | $ 400,000 |
Effective interest rate | 5.047% | 5.047% |
Fixed-rate 3.300% Senior Notes due on March 1, 2050 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 3.30% |  |
Debt outstanding | $ 750,000 | $ 750,000 |
Effective interest rate | 3.302% | 3.302% |
Fixed-rate 4.650% Senior Notes due on July 15, 2032 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 4.65% |  | 4.65%
Debt outstanding | $ 1,000,000 | $ 1,000,000 |
Effective interest rate | 4.657% | 4.657% |
Fixed-rate 4.950% Senior Notes due on July 15, 2052 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 4.95% |  | 4.95%
Debt outstanding | $ 1,200,000 | $ 1,200,000 |
Effective interest rate | 5.009% | 5.009% |
Fixed-rate 5.250% Senior Notes due on July 15, 2062 | Senior notes |  |  |
Debt Instrument |  |  |
Stated interest rate | 5.25% |  | 5.25%
Debt outstanding | $ 800,000 | $ 800,000 |
Effective interest rate | 5.259% | 5.259% |

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