Debt and Other Financing (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Debt

Debt at December 31 consisted of the following:

	2019		2018
Debt maturing within one year:
Short term debt	$	1.8	$	8.8
Current portion of long-term debt	—		3.2
Total	$	1.8	$	12.0
Long-term debt:
Finance lease liabilities	1.4		—
4.60% Notes, due March 2020	—		386.4
6.50% Senior Secured Notes, due August 2022	392.6		—
7.875% Senior Secured Notes, due August 2022	495.8		494.2
5.00% Notes, due March 2023	459.3		458.5
Other debt, payable through 2025	—		4.6
6.95% Notes, due March 2043	241.3		241.1
Total	1,590.4		1,584.8
Less current portion	—		(3.2)
Total long-term debt	$	1,590.4	$	1,581.6

Schedule of Carrying Values of Debt Instrument

At December 31, 2019 and 2018, the carrying values of our unsecured notes were comprised of the following:

	2019				2018
	Remaining Principal	Unamortized Discounts	Unamortized Debt Issuance Costs	Total	Remaining Principal	Unamortized Discounts	Unamortized Debt Issuance Costs	Total
4.60% Notes, due March 2020	—	—	—	—	387.0	(.1)	(.5)	386.4
5.00% Notes, due March 2023	461.9	(1.5)	(1.1)	459.3	461.9	(1.9)	(1.5)	458.5
6.95% Notes, due March 2043	243.9	(.5)	(2.1)	241.3	243.9	(.6)	(2.2)	241.1

At December 31, 2019 and 2018, the carrying values of our senior secured notes were comprised of the following:

	2019				2018
	Remaining Principal	Unamortized Discounts	Unamortized Debt Issuance Costs	Total	Remaining Principal	Unamortized Discounts	Unamortized Debt Issuance Costs	Total
6.50% Senior Secured Notes, due August 2022	400.0	(7.4)	—	392.6	—	—	—	—
7.875% Senior Secured Notes, due August 2022	500.0	(4.2)	—	495.8	500.0	(5.8)	—	494.2

Schedule of Maturities of Long-term Debt

Annual maturities of long-term debt, which includes our notes and capital leases outstanding at December 31, 2019, are as follows:

	2020		2021		2022		2023		2024		2024 and Beyond		Total
Maturities	$	—	$	0.9	$	900.6	$	462.0	$	—	$	243.8	$	1,607.3