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Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Equity securities without readily determinable fair value, impairment loss, annual amount | $ 0 | $ 1,600,000 |
Equity securities without readily determinable fair value, amount | 54,600,000 |  | $ 54,600,000
Equity Security Without Readily Determinable Fair Value |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Payments to acquire investments | 0 | 0 |
Auction rate security | Fair Value, Measurements, Recurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Unrealized gain (loss) on investments | 0 | 0 |
Level 1 | Investment in marketable equity security |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Unrealized gain (loss) on investments | 1,400,000 | $ (1,100,000) |
Level 2 | Fair Value, Measurements, Recurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair value of debt outstanding | 559,500,000 |  | $ 476,400,000
Level 2 | Fair Value, Measurements, Recurring | Convertible Senior Notes Due 2029 | Convertible Notes Payable |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair value of company's convertible debt | $ 1,386,300,000 |  |

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