Long-term Debt and Other Financing (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Debt balances at March 31, 2018 and December 31, 2017, are presented below:

	March 31, 2018			December 31, 2017
Credit Facility	$	440.0		$	450.0
7.50% Senior Secured Notes due July 2023 (effective rate of 8.3%)	380.0			380.0
5.00% Exchangeable Senior Notes due November 2019 (effective rate of 10.8%)	150.0			150.0
7.625% Senior Notes due October 2021	406.2			406.2
6.375% Senior Notes due October 2025 (effective rate of 7.1%)	280.0			280.0
7.00% Senior Notes due March 2027	400.0			400.0
Industrial Revenue Bonds due 2020 through 2028	99.3			99.3
Unamortized debt discount and issuance costs	(52.2		)	(55.4		)
Total long-term debt	$	2,103.3		$	2,110.1