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Fair Value Measurements (Fair Value of Long Term Debt) (Details) (USD $) In Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2011 | Mar. 31, 2005
Long-term debt, Fair Value | $ 1,304,590 |  |
Long-term debt, Carrying Value | 1,261,766 |  |
Debt Instrument, Unamortized Discount | 14,114 | [1] |
Revolving Credit Facility [Member] |  |  |
Long-term debt, Fair Value | 0 |  |
Long-term debt, Carrying Value | 0 |  |
Long term debt, Maturity Date | July 2015 |  |
Term Loan [Member] |  |  |
Long-term debt, Fair Value | 299,998 |  |
Long-term debt, Carrying Value | 299,250 |  |
Long term debt, Maturity Date | July 2015 |  |
Convertible Senior Notes [Member] |  |  |
Long-term debt, Fair Value | 299,175 |  |
Long-term debt, Carrying Value | 300,000 | [2] | 300,000
Long term debt, Maturity Date | March 2025 |  |
Debt Instrument, Unamortized Discount | 14,114 | [1],[3] |
Senior Unsecured Notes [Member] |  |  |
Long-term debt, Fair Value | 583,000 |  |
Long-term debt, Carrying Value | 550,000 |  |
Long term debt, Maturity Date | January 2016 |  |
Debt Instrument, Unamortized Discount | 0 | [1] |
MARAD Debt [Member] |  |  |
Long-term debt, Fair Value | 122,417 | [4] |
Long-term debt, Carrying Value | 112,516 | [4] |
Long term debt, Maturity Date | February 2027 |  |
Debt Instrument, Unamortized Discount | $ 0 | [1] |
[1] | The notes will increase to the $300 million face amount through accretion of non-cash interest charges through 2012.
[2] | Amount excludes the $14.1 million of unamortized discount recorded on the Convertible Senior Notes at June 30, 2011.
[3] | Beginning in December 2012, the holders may require us to repurchase the notes or we may at our own option elect to repurchase the notes. The notes will mature in March 2025.
[4] | The estimated fair value of all debt, other than MARAD Debt, was determined using level 1 inputs using the market approach. The fair value of the MARAD debt was determined using a third party evaluation of the remaining average life and outstanding principal balance of the MARAD indebtedness as compared to other governmental obligations in the market place with similar terms. The fair value of the MARAD debt was estimated using level 2 fair value inputs using the cost approach.

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- Definition Long Term Debt, Maturity Date + Details
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- Definition Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). 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. + 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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number APB14-1 -Paragraph 31 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number APB14-1 -Paragraph 31 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + Details
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