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Cash, Cash Equivalents and Short-Term Investments - Schedule of Contractual Maturities of Short Term Investments (Details) $ in Millions	Sep. 30, 2025 USD ($)
Amortized Cost
Due within one year	$ 152.6
Due between one to three years	38.4
Due after three years	5.3
Total	196.3
Estimated Fair Value
Due within one year	151.1
Due between one to three years	38.3
Due after three years	5.2
Total	$ 194.6

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-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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