Debt and Other Financing (Tables)

12 Months Ended

Dec. 31, 2017

Debt Instruments [Abstract]

Schedule of Debt [Table Text Block]

Debt at December 31 consisted of the following:

	2017			2016
Debt maturing within one year:
Notes payable	$	22.6		$	13.5
Current portion of long-term debt	3.1			4.6
Total	$	25.7		$	18.1
Long-term debt:
6.50% Notes, due March 2019	$	237.2		$	236.8
4.60% Notes, due March 2020	408.8			408.2
7.875% Senior Secured Notes, due August 2022	492.6			491.0
5.00% Notes, due March 2023	484.5			483.7
Other debt, payable through 2025 with interest from .5% to 11.3%	5.2			9.0
6.95% Notes, due March 2043	241.0			240.8
Total	1,869.3			1,869.5
Unamortized deferred gain - swap terminations	6.0			10.9
Less current portion	(3.1		)	(4.6		)
Total long-term debt	$	1,872.2		$	1,875.8

Debt Instrument [Line Items]

Schedule of Long-term Debt Instruments [Table Text Block]

At December 31, 2017 and 2016, the carrying values of our public notes were comprised of the following:

	2017										2016
	Remaining Principal		Unamortized Discounts			Unamortized Debt Issuance Costs			Total		Remaining Principal		Unamortized Discounts			Unamortized Debt Issuance Costs			Total
6.50% Notes, due March 2019	$	237.9	$	(.4	)	$	(.3	)	$	237.2	$	237.9	$	(.7	)	$	(.4	)	$	236.8
4.60% Notes, due March 2020	409.9		(.2		)	(.9		)	408.8		409.9		(.3		)	(1.4		)	408.2
5.00% Notes, due March 2023	488.9		(2.5		)	(1.9		)	484.5		488.9		(2.9		)	(2.3		)	483.7
6.95% Notes, due March 2043	243.8		(.6		)	(2.2		)	241.0		243.8		(.6		)	(2.4		)	240.8

Schedule of Maturities of Long-term Debt [Table Text Block]

Maturities of Long-Term Debt

Annual maturities of long-term debt, which includes our notes and capital leases outstanding at December 31, 2017, are as follows:

	2018		2019		2020		2021		2022		2023 and Beyond		Total
Maturities	$	2.9	$	238.6	$	410.1	$	.1	$	500.0	$	732.8	$	1,884.5