Long-term Debt and Other Financing (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Debt balances at June 30, 2016, and December 31, 2015, are presented below:

	June 30, 2016			December 31, 2015
Credit Facility	$	150.0		$	550.0
7.50% Senior Secured Notes due July 2023 (effective rate of 8.3%)	380.0			—
8.75% Senior Secured Notes due December 2018 (retired in July 2016)	128.3			380.0
5.00% Exchangeable Senior Notes due November 2019 (effective rate of 10.8%)	150.0			150.0
7.625% Senior Notes due May 2020	529.8			529.8
7.625% Senior Notes due October 2021	406.2			406.2
8.375% Senior Notes due April 2022	279.8			290.2
Industrial Revenue Bonds due 2020 through 2028	99.3			99.3
Capital lease for Research and Innovation Center	15.4			—
Unamortized debt discount/premium and debt issuance costs	(60.7		)	(51.4		)
Total long-term debt	$	2,078.1		$	2,354.1