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FAIR VALUE MEASUREMENTS, Debt Fair Value (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2012
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Dec. 31, 2011
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8.125% Senior Notes due 2018 [Member]
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| Debt Fair Value [Line Items] | ||
| Estimated fair values of senior notes | $ 266.6 | $ 243.3 |
| Interest rate, stated percentage (in hundredths) | 8.125% | 8.125% |
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10.75% Senior Notes due 2016 [Member]
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| Debt Fair Value [Line Items] | ||
| Estimated fair values of senior notes | 309.6 | 306.4 |
| Interest rate, stated percentage (in hundredths) | 10.75% | 10.75% |
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2.875% Convertible Senior Notes due 2027 [Member]
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| Debt Fair Value [Line Items] | ||
| Estimated fair values of convertible senior notes | 207.4 | 193.6 |
| Interest rate, stated percentage (in hundredths) | 2.875% | 2.875% |
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Fixed Rate Debt With Noncontrolling Interest Partner [Member]
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| Fair value, estimate not practicable [Abstract] | ||
| Carrying amount, long-term debt | $ 24.9 | $ 26.0 |
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- Definition
Carrying amount of long term debt of noncontrolling interest partners. No definition available.
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- Details
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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
Interest rate stated in the contractual debt agreement. 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. No definition available.
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