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Discontinued Operations and Special (Gains) Charges (Tables)
6 Months Ended
Jun. 30, 2020
Discontinued Operations and Disposal Groups [Abstract]  
Special Charge Liabilities
The following table details liabilities related to the exit costs of the sold businesses that remain as of June 30, 2020 (in millions):
 Accrued exit costs
Balance January 1, 2020$2.8  
Charged to expense 0.2  
Paid or otherwise settled(0.2) 
Balance June 30, 2020$2.8  

The following table details liabilities related to the exit costs of the sold businesses that remained for 2019 (in millions):
 Accrued exit costs
Balance January 1, 2019$2.8  
Charged to expense 0.7  
Paid or otherwise settled(0.7) 
Balance December 31, 2019$2.8