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Special Charges (Tables)
3 Months Ended
Mar. 31, 2020
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs
 
 
Liability
December 31,
2019
 
Three Months Ended 
 March 31, 2020
 
Liability
March 31,
2020
 
 
 
Charges (Credits) for Termination Benefits
 
Paid/
Settled
 
Workforce reductions:
 
 
 
 
 
 
 
 
Corporate functions
 
$
1.2

 
$
(0.1
)
 
$
(1.1
)
 
$

Piketon facility
 
0.2

 

 

 
0.2

Total
 
$
1.4

 
$
(0.1
)
 
$
(1.1
)
 
$
0.2