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Long-Term Debt (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Debt Instrument [Line Items] |  |
Total | $ 5,444,373 | $ 4,432,064
Less current portion | 401,376 | 276,508
Long-term debt (note 8) | 5,042,997 | 4,155,556
Line of Credit [Member] |  |
Debt Instrument [Line Items] |  |
Total | 2,244,634 | 1,697,237
Senior Notes (8.875%) due July 15, 2011 [Member] |  |
Debt Instrument [Line Items] |  |
Total |  | 16,201
Senior Notes (8.5%) due January 15, 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Total | 446,825 | 446,559
Norwegian Kroner-denominated Bonds due November 2013 [Member] |  |
Debt Instrument [Line Items] |  |
Total | 100,417 | 103,061
U.S.Dollar-denominated Term Loans due through 2021 [Member] |  |
Debt Instrument [Line Items] |  |
Total | 2,069,860 | 1,782,423
U.S. Dollar-denominated Term Loan Variable Interest Entity due October [Member] |  |
Debt Instrument [Line Items] |  |
Total | 220,450 |
Euro-denominated Term Loans due through 2023 [Member] |  |
Debt Instrument [Line Items] |  |
Total | 348,905 | 373,301
U.S. Dollar-denominated Unsecured Demand Loan due to Joint Venture [Member] |  |
Debt Instrument [Line Items] |  |
Total | $ 13,282 | $ 13,282

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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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + 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 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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