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Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt
Long-term debt consists of the following:
                 
(
in millions
)
 
2019
 
  
2018
 
Revolving credit facility
  $
60.0
    $
126.0
 
Term loan
   
0.0
     
82.5
 
Deferred finance costs
   
(1.4
)    
(0.9
 )
                 
   
58.6
     
207.6
 
Less current portion
   
0.0
     
(21.4
 )
                 
  $
58.6
    $
186.2
 
                 
 
 
 
 
 
 
 
Summary of Debt Refinancing Costs
                 
(
in millions
)
 
2019
 
  
2018
 
Gross cost at January 1
  $
2.7
    $
2.7
 
Capitalized in the year
   
1.5
     
0.0
 
Written down in the year
   
(2.7
 )    
0.0
 
                 
   
1.5
     
2.7
 
                 
Accumulated amortization at January 1
  $
(1.8
 )   $
(1.1
 )
Amortization in the year
   
(1.0
)    
(0.7
 )
Amortization written down in the year
   
2.7
     
0.0
 
                 
  $
(0.1
)   $
(1.8
 )
                 
Net book value at December 31
  $
1.4
    $
0.9