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Acquisition of STI - Business Acquisition, Pro Forma Information (Details) - STI - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Business Acquisition [Line Items] |  |  |  |
Revenue | $ 424.9 | $ 263.1 | $ 733.4 | $ 536.9
Net income (loss) | $ (2.8) | $ 5.0 | $ (23.9) | $ (7.3)

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