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Long-Term Debt | 6 Months Ended
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Jun. 30, 2015
Long-Term Debt |
9. | Long-Term Debt
Long-term debt includes the following:
|  | June 30, 2015 |  |  | June 30, 2014 |  |  | December 31, 2014 |
|  | (In thousands) |
2010 Senior Notes due October 2020 and October 2040 |  | $ | 500,000 |  |  | $ | 500,000 |  |  | $ | 500,000 |
2011 Senior Notes due November 2016 and November 2041 |  |  | 600,000 |  |  |  | 600,000 |  |  |  | 600,000 |
2013 Senior Notes due March 2018 and March 2023 |  |  | 500,000 |  |  |  | 500,000 |  |  |  | 500,000 |
2014 Senior Notes due May 2019 |  |  | 500,000 |  |  |  | 500,000 |  |  |  | 500,000 |
|  |  | 2,100,000 |  |  |  | 2,100,000 |  |  |  | 2,100,000 |
Less: current portion |  |  | — |  |  |  | — |  |  |  | — |
Total long-term debt |  | $ | 2,100,000 |  |  | $ | 2,100,000 |  |  | $ | 2,100,000 |

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- Definition The entire disclosure for long-term debt. + 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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Period Type: | duration