FAIR VALUE MEASUREMENTS, Debt Fair Value (Details) (Fair Value, Inputs, Level 2 [Member], USD $) In Millions |
Sep. 30, 2011 |
Dec. 31, 2010 |
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Senior Notes 8.125 Percent Stated Interest Rate [Member] |
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| Debt Fair Value [Line Items] | ||
| Estimated fair values of senior notes | $ 241.3 | $ 252.0 |
Senior Notes 10.75 Percent Stated Interest Rate [Member] |
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| Debt Fair Value [Line Items] | ||
| Estimated fair values of senior notes | 300.2 | 311.4 |
Convertible Senior Notes 2.875 Percent Stated Interest Rate [Member] |
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| Debt Fair Value [Line Items] | ||
| Estimated fair values of convertible senior notes | 197.3 | 195.8 |
Fixed Rate Debt With Noncontrolling Interest Partner [Member] |
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| Fair value, estimate not practicable [Abstract] | ||
| Carrying amount, long-term debt | $ 26.0 | $ 29.5 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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- Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity 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. Fair value of convertible debt at the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.
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