Debt (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Schedule of Components of Long-term Debt

Long-term debt is comprised of the following:

	June 30, 2019		December 31, 2018
10.75% senior secured notes due April 15, 2022 ($440.0 million face value less unamortized discount and fees of $6.8 million and $8.0 million at June 30, 2019 and December 31, 2018, respectively)	$	433.2	$	432.0
5.50% convertible senior notes due March 1, 2021 ($213.5 million face value less unamortized discount and fees of $15.2 million and $19.3 million at June 30, 2019 and December 31, 2018, respectively)	198.3		194.2
Finance leases	5.4		5.8
Other debt	39.2		20.8
Total	676.1		652.8
Less – current maturities	7.5		10.0
Total long-term debt	$	668.6	$	642.8

See Note 11 for the fair value of the notes.

Schedule of Interest Expense

Interest expense related to the 2021 notes for the three and six month periods ended June 30, 2019 and 2018 was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Contractual interest coupon	$	2.9	$	3.0	$	5.9	$	5.9
Amortization of debt discount	1.8		1.6		3.5		3.2
Amortization of debt issuance costs	0.3		0.3		0.6		0.6
Total	$	5.0	$	4.9	$	10.0	$	9.7

Interest expense related to the 2022 notes for the three and six month periods ended June 30, 2019 and 2018 was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Contractual interest coupon	$	11.8	$	11.8	$	23.6	$	23.6
Amortization of debt issuance costs	0.6		0.6		1.2		1.2
Total	$	12.4	$	12.4	$	24.8	$	24.8