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Commitments and Contingencies- Tax Matters - Loss contingencies (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Non-income based tax audits
Loss Contingencies
Accrued liability	$ 4.3	$ 3.9
Non-income based tax audits in contested hearing phase
Loss Contingencies
Accrued liability	$ 0.6	$ 0.6

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