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Investments and Fair Value Measurements - Narrative (Details) - USD ($)		3 Months Ended	6 Months Ended
	Mar. 01, 2024	Mar. 31, 2024	Jun. 30, 2024	Dec. 31, 2023	Feb. 28, 2022	Jun. 30, 2020	May 31, 2020
Debt Instrument [Line Items]
Equity investment in a privately-held company			$ 2,000,000	$ 2,000,000	$ 2,000,000
Nonrecurring
Debt Instrument [Line Items]
Assets and liabilities measured at fair value on nonrecurring basis			$ 0	0
Convertible Senior Notes, Due 2029 \| Convertible Debt
Debt Instrument [Line Items]
Stated interest rate on debt (as a percent)		1.00%	1.00%
Extinguishment of debt, amount		$ 313,100,000
Convertible Senior Notes, Due 2029 \| Convertible Debt \| Level 2
Debt Instrument [Line Items]
Fair value of long-term debt			$ 667,700,000
Convertible Senior Notes, Due 2029 \| Convertible Debt \| Private Placement
Debt Instrument [Line Items]
Aggregate principal amount of debt		$ 747,500,000	747,500,000
Convertible Senior Notes, Due 2025 \| Convertible Debt
Debt Instrument [Line Items]
Stated interest rate on debt (as a percent)						0.50%
Extinguishment of debt, amount	$ 313,100,000		313,100,000
Convertible Senior Notes, Due 2025 \| Convertible Debt \| Level 2
Debt Instrument [Line Items]
Fair value of long-term debt			$ 413,200,000	$ 718,300,000
Convertible Senior Notes, Due 2025 \| Convertible Debt \| Private Placement
Debt Instrument [Line Items]
Aggregate principal amount of debt						$ 747,500,000	$ 747,500,000