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Acquisition of STI - Business Acquisition, Pro Forma Information (Details) - STI - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
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)