Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of Components of Long-term Debt

Long-term debt is comprised of the following:

	March 31, 2019		December 31, 2018
10.75% senior secured notes due April 15, 2022 ($440.0 million face value less unamortized discount and fees of $7.4 million and $8.0 million at March 31, 2019 and December 31, 2018, respectively)	$	432.6	$	432.0
5.50% convertible senior notes due March 1, 2021 ($213.5 million face value less unamortized discount and fees of $17.3 million and $19.3 million at March 31, 2019 and December 31, 2018, respectively)	196.2		194.2
Finance leases	5.4		5.8
Other debt	40.2		20.8
Total	674.4		652.8
Less – current maturities	7.3		10.0
Total long-term debt	$	667.1	$	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 month periods ended March 31, 2019 and 2018 was as follows:

	Three Months Ended March 31,
	2019		2018
Contractual interest coupon	$	2.9	$	2.9
Amortization of debt discount	1.7		1.6
Amortization of debt issuance costs	0.3		0.3
Total	$	4.9	$	4.8

Interest expense related to the 2022 notes for the three month periods ended March 31, 2019 and 2018 was as follows:

	Three Months Ended March 31,
	2019		2018
Contractual interest coupon	$	11.8	$	11.8
Amortization of debt issuance costs	0.6		0.6
Total	$	12.4	$	12.4