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FINANCING ARRANGEMENTS (Tables) | 12 Months Ended
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Dec. 31, 2017
Debt Disclosure [Abstract] |
Summary of Financing Arrangements | The following table is a summary of the Company's financing arrangements (in thousands):
| December 31, 2017 |  | December 31, 2016
Senior secured Term Loan Agreement ("Term Loan Agreement") | $ | 4,000 |  |  | $ | — |
Current portion of long-term obligations, at carrying value | $ | 4,000 |  |  | $ | — |
Senior secured Term Loan Agreement due June 30, 2024 | $ | 394,000 |  |  | $ | — |
Senior unsecured notes, at 5.25%, due August 1, 2020 ("2020 Notes") | 400,000 |  |  | 800,000 |
Senior unsecured notes, at 5.125%, due June 1, 2021 ("2021 Notes") | 845,000 |  |  | 845,000 |
Long-term obligations, at par | $ | 1,639,000 |  |  | $ | 1,645,000 |
Unamortized debt issuance costs and premium, net | $ | (13,463 | ) |  | $ | (11,728 | )
Long-term obligations, at carrying value | $ | 1,625,537 |  |  | $ | 1,633,272 |
Schedule of Redemption Prices | The Company may redeem some or all of the 2021 Notes at any time upon proper notice, at the following redemption prices plus unpaid interest:
Year |  | Percentage
Prior to December 1, 2018 |  | 101.281 | %
On or after December 1, 2018 |  | 100.000 | %
The Company may redeem some or all of the 2020 Notes which remain outstanding at any time upon proper notice, at the following redemption prices plus unpaid interest:
Year |  | Percentage
Prior to August 1, 2018 |  | 101.313 | %
On or after August 1, 2018 |  | 100.000 | %

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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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