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Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2020
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Key Components of Discontinued Operations

The key components of the results of discontinued operations were as follows:

 

    For the Years Ended December 31,  
    2020     2019  
    (In millions)  
Other income   $     $ 1.3  
Income from discontinued operations, before income taxes           1.3  
Gain on sale of discontinued businesses, before income taxes           9.4  
Income tax benefit           1.0  
Income from discontinued businesses, net of income taxes   $     $ 11.7