v2.4.0.6

Long-Term Debt (Schedule Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  | 1 Months Ended | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Jan. 31, 2006 6 5/8% Senior Notes Due 2016 [Member] | Dec. 31, 2011 6 5/8% Senior Notes Due 2016 [Member] | Dec. 31, 2010 6 5/8% Senior Notes Due 2016 [Member] | Jan. 13, 2006 6 5/8% Senior Notes Due 2016 [Member] | Dec. 31, 2011 GO Zone 6 1/2% Senior Notes Due 2029 [Member] | Dec. 31, 2010 GO Zone 6 1/2% Senior Notes Due 2029 [Member] | Dec. 31, 2011 GO Zone 6 3/4% Senior Notes Due 2032 [Member] | Dec. 31, 2010 GO Zone 6 3/4% Senior Notes Due 2032 [Member] | Dec. 31, 2011 GO Zone 6 1/2% Tax-Exempt Revenue Bonds Due 2035 [Member] | Dec. 31, 2010 GO Zone 6 1/2% Tax-Exempt Revenue Bonds Due 2035 [Member] | Dec. 31, 2011 IKE Zone 6 1/2% Tax-Exempt Revenue Bonds Due 2035 [Member] | Dec. 31, 2010 IKE Zone 6 1/2% Tax-Exempt Revenue Bonds Due 2035 [Member] | Dec. 31, 1997 Waste Disposal Revenue Bonds Due 2027 [Member] | Dec. 31, 2011 Waste Disposal Revenue Bonds Due 2027 [Member] | Dec. 31, 2010 Waste Disposal Revenue Bonds Due 2027 [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes |  |  |  | $ 249,674 | $ 249,593 |  | $ 100,000 | $ 100,000 | $ 250,000 | $ 250,000 | $ 89,000 | $ 89,000 | $ 65,000 | $ 65,000 |  |  |
Non-current loan payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,889 | 10,889
Long-term debt | $ 764,563 | $ 764,482 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  | 6.625% | 6.625% | 6.625% | 6.50% | 6.50% | 6.75% | 6.75% | 6.50% | 6.50% | 6.50% | 6.50% |  |  |
Maturity | 2016 |  | 2016 | 2016 |  |  | 2029 |  | 2032 |  | 2035 |  | 2035 |  | December 2027 | 2027 |

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- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + 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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