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Cash, Cash Equivalents and Short-Term Investments - Schedule of Contractual Maturities of Short Term Investments (Details) $ in Millions	Mar. 31, 2024 USD ($)
Amortized cost
Due within one year	$ 191.8
Due between one to three years	415.7
Due after three years	38.0
Total	645.5
Estimated fair value
Due within one year	189.9
Due between one to three years	400.2
Due after three years	36.9
Total	$ 627.0

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