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Accrued Liabilities | 12 Months Ended
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Dec. 31, 2015
Payables and Accruals [Abstract] |
Accrued Liabilities | 8. Accrued Liabilities Accrued liabilities consisted of the following (in thousands):
| December 31,
| 2015 |  | 2014
Accrued salaries and other benefits | $ | 27,066 |  |  | $ | 39,182 |
Accrued income and other taxes | 15,006 |  |  | 20,807 |
Accrued interest | 12,675 |  |  | 14,286 |
Interest rate swaps fair value | 4,608 |  |  | 4,958 |
Accrued other liabilities | 20,698 |  |  | 11,949 |
Accrued liabilities | $ | 80,053 |  |  | $ | 91,182 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + 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 210.5-02.19(a),20,24) -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 19 -Subparagraph a -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 24 -Article 5 + Details
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