5. Notes Payable and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016			December 31, 2015
4.875% Senior Notes due 2020, net of discount	$	425.0		$	425.0
Less unamortized discount and debt issuance costs	(2.5		)	(3.1		)
Long-term debt less unamortized discount and debt issuance costs	422.5			421.9
Capital leases and other debt	12.0			12.3
	434.5			434.2
Less current maturities	(0.3		)	(0.3		)
Long-term debt	$	434.2		$	433.9