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Debt (Tables) | 9 Months Ended
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Sep. 30, 2017
Debt Disclosure [Abstract] |
Schedule of Components of Long-term Debt | Long-term debt is comprised of the following:
|  | September 30, 2017 |  | December 31, 2016
10.75% senior secured notes due April 15, 2022 ($440.0 million face value less unamortized discount and fees of $11.0 million at September 30, 2017) |  | $ | 429.0 |  |  | $ | — |
5.50% convertible senior notes due March 1, 2021 ($213.5 million face value less unamortized discount and fees of $29.1 million and $34.4 million at September 30, 2017 and December 31, 2016, respectively) |  | 184.4 |  |  | 179.1 |
6.25% senior notes |  | — |  |  | 94.7 |
Capital leases |  | 7.8 |  |  | 10.1 |
Other debt |  | 21.6 |  |  | 16.1 |
Total |  | 642.8 |  |  | 300.0 |
Less – current maturities |  | 11.3 |  |  | 106.0 |
Total long-term debt |  | $ | 631.5 |  |  | $ | 194.0 |
Schedule of Interest Expense | Interest expense related to the 5.50% convertible notes due 2021 for the three and nine month periods ended September 30, 2017 and 2016 was as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Contractual interest coupon |  | $ | 2.9 |  |  | $ | 2.9 |  |  | $ | 8.8 |  |  | $ | 6.3 |
Amortization of debt discount |  | 1.6 |  |  | 1.4 |  |  | 4.5 |  |  | 2.9 |
Amortization of debt issuance costs |  | 0.3 |  |  | 0.3 |  |  | 0.9 |  |  | 0.7 |
Total |  | $ | 4.8 |  |  | $ | 4.6 |  |  | $ | 14.2 |  |  | $ | 9.9 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21521-112644 + Details
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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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