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Debit and Credit Agreements (Parenthetical) (Details) |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended
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Sep. 30, 2014 7.33% weighted-average fixed rate notes | Dec. 31, 2013 7.33% weighted-average fixed rate notes | Sep. 30, 2014 6.51% weighted-average fixed rate notes | Dec. 31, 2013 6.51% weighted-average fixed rate notes | Sep. 30, 2014 9.78% notes | Dec. 31, 2013 9.78% notes | Sep. 30, 2014 5.58% weighted-average fixed rate notes | Dec. 31, 2013 5.58% weighted-average fixed rate notes | Sep. 30, 2014 3.65% weighted-average fixed rate notes | Dec. 31, 2013 3.65% weighted-average fixed rate notes | Sep. 30, 2014 Revolving credit facility | Sep. 30, 2013 Revolving credit facility | Sep. 30, 2014 Revolving credit facility | Sep. 30, 2013 Revolving credit facility
Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate | 7.33% | 7.33% | 6.51% | 6.51% |  |  | 5.58% | 5.58% | 3.65% | 3.65% |  |  |  |
Long-term debt, interest rate, stated percentage |  |  |  |  | 9.78% | 9.78% |  |  |  |  |  |  |  |
Weighted-average effective interest rate |  |  |  |  |  |  |  |  |  |  | 2.20% | 2.20% | 2.20% | 2.30%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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- Definition The effective interest rate during 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(b),22(b)) -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, 22 -Article 5 + Details
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- Definition Weighted average interest rate of long-term debt outstanding. + References No definition available. + Details
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