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Condensed Consolidated Statements of Operations (Parenthetical) (Unaudited) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Income Statement [Abstract]        
Loss from discontinued operations, income taxes $ 0.0 $ 0.0 $ 0.0 $ 0.0