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Debt Schedule of Debt (Tables)
6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
A summary of long-term debt follows (in millions):
 
Maturity
 
June 30,
2017
 
December 31, 2016
8.25% Notes:
Feb. 2027
 
 
 
 
Principal
 
 
$
74.3

 
$

Interest
 
 
61.5

 

8.25% Notes
 
 
135.8

 

8% PIK Toggle Notes
Sep. 2019 (a)
 
30.5

 
234.6

Subtotal
 
 
166.3

 
234.6

Less deferred issuance costs
 
 
0.1

 
0.5

Total debt
 
 
166.2

 
234.1

Less current portion
 
 
6.4

 

Long-term debt
 
 
$
159.8

 
$
234.1