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Income Taxes (Details 2) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Valuation allowance |  |
Unrecognized tax benefits | $ 156.2 | $ 146.2
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit | 1.8 |
Long-term deferred tax assets |  |
Valuation allowance |  |
Unrecognized tax benefits | 19.4 | 18.9
Other assets | Foreign tax authority | National Tax Services |  |
Valuation allowance |  |
Unrecognized tax benefits | 135.0 | 126.1
Long-term income taxes payable |  |
Valuation allowance |  |
Unrecognized tax benefits | $ 1.8 | $ 1.3

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