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Investments -Alight Narrative (Details) - Alight, Inc. $ in Millions | 6 Months Ended
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Jun. 30, 2025 USD ($)
Schedule of Equity Method Investments [Line Items] |
Investment before adjustment for impairment | $ 288.2
Aggregate value of ownership based on quoted market price | 229.1
Other than temporary impairment of investment | $ 59.1

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