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Debt and Credit Agreements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Debt and Credit Agreements |
Company's Long-Term Debt and credit agreements Components |
|  | December 31, |
--- | --- | --- | ---
(In thousands) |  | 2012 |  | 2011 |
Long-Term Debt |  |  |  |  |  |  |
7.33% weighted-average fixed rate notes |  | $ | 95,000 |  | $ | 95,000 |
6.51% weighted-average fixed rate notes |  |  | 425,000 |  |  | 425,000 |
9.78% notes |  |  | 67,000 |  |  | 67,000 |
5.58% weighted-average fixed rate notes |  |  | 175,000 |  |  | 175,000 |
Credit facility |  |  | 325,000 |  |  | 188,000 |
Current Maturities |  |  |  |  |  |  |
7.33% weighted-average fixed rate notes |  |  | (75,000 | ) |  | — |
Long-Term Debt, excluding Current Maturities |  | $ | 1,012,000 |  | $ | 950,000 |
Schedule of changes in the basis spread on LIBOR and Prime rates for changes in the percentage of total indebtedness to the borrowing base |
|  | Debt Percentage
--- | --- | ---
|  | <25% |  | ³25% <50% |  | ³50% <75% |  | ³75% <90% |  | ³90%
Eurodollar loans |  | 1.50% |  | 1.75% |  | 2.00% |  | 2.25% |  | 2.50%
ABR loans |  | 0.50% |  | 0.75% |  | 1.00% |  | 1.25% |  | 1.50%
7.33% Weighted-Average Fixed Rate Notes |
Debt |
Schedule of long-term debt instruments by issued tranche |
|  | Principal |  | Term |  | Maturity Date |  | Coupon
--- | --- | --- | --- | --- | --- | --- | --- | ---
Tranche 1 |  | $ | 75,000,000 |  | 10-year |  |  | July 2011 |  | 7.26%
Tranche 2 |  | $ | 75,000,000 |  | 12-year |  |  | July 2013 |  | 7.36%
Tranche 3 |  | $ | 20,000,000 |  | 15-year |  |  | July 2016 |  | 7.46%
6.51% Weighted-Average Fixed Rate Notes |
Debt |
Schedule of long-term debt instruments by issued tranche |
|  | Principal |  | Term |  | Maturity Date |  | Coupon
--- | --- | --- | --- | --- | --- | --- | --- | ---
Tranche 1 |  | $ | 245,000,000 |  | 10-year |  |  | July 2018 |  | 6.44%
Tranche 2 |  | $ | 100,000,000 |  | 12-year |  |  | July 2020 |  | 6.54%
Tranche 3 |  | $ | 80,000,000 |  | 15-year |  |  | July 2023 |  | 6.69%
5.58% Weighted-Average Fixed Rate Notes |
Debt |
Schedule of long-term debt instruments by issued tranche |
|  | Principal |  | Term |  | Maturity Date |  | Coupon
--- | --- | --- | --- | --- | --- | --- | --- | ---
Tranche 1 |  | $ | 88,000,000 |  | 10-year |  | January 2021 |  | 5.42%
Tranche 2 |  | $ | 25,000,000 |  | 12-year |  | January 2023 |  | 5.59%
Tranche 3 |  | $ | 62,000,000 |  | 15-year |  | January 2026 |  | 5.80%

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- Definition Tabular disclosure of changes in the basis spread on variable rates for changes in the percentage of total indebtedness to the borrowing base of the revolving credit facility. + References No definition available. + Details
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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 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 Reference 2: 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=6584090&loc=d3e28878-108400 Reference 3: 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=6451184&loc=d3e28541-108399 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=6881521&loc=d3e23780-122690 Reference 5: 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=6928386&loc=d3e21475-112644 Reference 6: 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=6479336&loc=d3e64711-112823 Reference 7: 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=6451184&loc=d3e28551-108399 Reference 8: 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=6928386&loc=d3e21538-112644 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 10: 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 11: 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=6928386&loc=d3e21506-112644 + Details
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