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v2.3.0.11

Long-Term Debt (Details) (USD $) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2011 | Dec. 31, 2010
Long term debt |  |
Long-term debt | $ 2,013,368,000 | $ 1,949,200,000
Less debt payable within one year | 24,988,000 | 6,000,000
Total long-term debt | 1,988,380,000 | 1,943,200,000
Aggregate maturities in 2011 | 15,500,000 |
Aggregate maturities in 2012 | 219,300,000 |
Aggregate maturities in 2013 | 23,200,000 |
Aggregate maturities in 2014 | 11,200,000 |
Aggregate maturities in 2015 | 166,000,000 |
7.76% notes, due 2011 thru 2016 |  |
Long term debt |  |
Long-term debt | 64,168,000 |
Debt instrument, stated interest rate percentage (as a percent) | 7.76% |
Aggregate principal amount | 57,141,000 |
5.15% notes, due November 15, 2012 |  |
Long term debt |  |
Long-term debt | 200,000,000 | 200,000,000
Debt instrument, stated interest rate percentage (as a percent) | 5.15% | 5.15%
5.00% notes, due October 1, 2015 |  |
Long term debt |  |
Long-term debt | 150,000,000 | 150,000,000
Debt instrument, stated interest rate percentage (as a percent) | 5.00% | 5.00%
5.15% notes, due March 1, 2018 |  |
Long term debt |  |
Long-term debt | 200,000,000 | 200,000,000
Debt instrument, stated interest rate percentage (as a percent) | 5.15% | 5.15%
6.50% notes, due April 1, 2018 |  |
Long term debt |  |
Long-term debt | 500,000,000 | 500,000,000
Debt instrument, stated interest rate percentage (as a percent) | 6.50% | 6.50%
8.13% notes, due June 1, 2019 |  |
Long term debt |  |
Long-term debt | 700,000,000 | 700,000,000
Debt instrument, stated interest rate percentage (as a percent) | 8.13% | 8.13%
7.75% debentures, due July 15, 2026 |  |
Long term debt |  |
Long-term debt | 115,000,000 | 115,000,000
Debt instrument, stated interest rate percentage (as a percent) | 7.75% | 7.75%
Medium-term notes, 8.5% to 9.0% Series A, due 2011 thru 2021 |  |
Long term debt |  |
Long-term debt | 46,200,000 | 46,200,000
Debt instrument, stated interest rate percentage minimum (as a percent) | 0.085 | 0.085
Debt instrument, stated interest rate percentage maximum (as a percent) | 0.090 | 0.090
Medium-term notes, 7.3% to 7.6% Series B, due 2013 thru 2023 |  |
Long term debt |  |
Long-term debt | 30,000,000 | 30,000,000
Debt instrument, stated interest rate percentage minimum (as a percent) | 0.073 | 0.073
Debt instrument, stated interest rate percentage maximum (as a percent) | 0.076 | 0.076
Medium-term notes, 7.6% Series C, due 2018 |  |
Long term debt |  |
Long-term debt | $ 8,000,000 | $ 8,000,000
Debt instrument, stated interest rate percentage (as a percent) | 7.60% | 7.60%

X
- Definition The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 + Details
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- Definition When presenting a range of interest rates, the highest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date. + 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 + Details
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- Definition Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
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- Definition Total of the portions of the carrying amounts as of the balance sheet date of long-term debt, which may include notes payable, bonds payable, debentures, mortgage loans, and commercial paper, which are scheduled to be repaid within one year or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 + Details
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- Definition Amount of long-term debt maturing within the next twelve months following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b + Details
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- Definition Amount of long-term debt maturing in year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b + Details
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- Definition Amount of long-term debt maturing in year four following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b + Details
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- Definition Amount of long-term debt maturing in year three following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b + Details
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- Definition Amount of long-term debt maturing in year two following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 10 -Subparagraph b + Details
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- Definition Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. + 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 + Details
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