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5. Notes Payable and Long-Term Debt (Tables)
12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Principal components of long-term debt [Table Text Block]
The principal components of long-term debt are as follows (in millions):
 
December 31, 2019
 
December 31, 2018
 
 
 
 
4.875% Senior Notes due 2020, net of discount
$
425.0

 
$
425.0

Less unamortized discount and debt issuance costs
(0.6
)
 
(1.3
)
Long-term debt less unamortized discount and debt issuance costs
424.4

 
423.7

Finance leases and other debt
15.4

 

Capital leases and other debt

 
15.7

 
439.8

 
439.4

Less current maturities
(426.2
)
 
(0.5
)
Long-term debt
$
13.6

 
$
438.9