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FAIR VALUE MEASUREMENTS (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | ||||||||
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Jun. 30, 2012
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Jun. 30, 2013
7% Senior Notes Due 2020 [Member]
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Dec. 31, 2012
7% Senior Notes Due 2020 [Member]
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Jun. 30, 2013
8.125% Senior Notes due 2018 [Member]
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Dec. 31, 2012
8.125% Senior Notes due 2018 [Member]
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Jun. 30, 2013
2.875% Convertible Senior Notes due 2027 [Member]
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Dec. 31, 2012
2.875% Convertible Senior Notes due 2027 [Member]
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Jun. 30, 2013
Fixed Rate Debt With Noncontrolling Interest Partner [Member]
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Dec. 31, 2012
Fixed Rate Debt With Noncontrolling Interest Partner [Member]
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| Fair Value Disclosures [Abstract] | |||||||||
| Impairment related to definite-lived intangible assets | $ 13.9 | ||||||||
| Debt Fair Value [Line Items] | |||||||||
| Interest rate, stated percentage (in hundredths) | 7.00% | 7.00% | 8.125% | 8.125% | 2.875% | 2.875% | |||
| Estimated fair values of senior notes | 238.4 | 236.3 | 266.4 | 273.4 | |||||
| Estimated fair values of convertible senior notes | 222.5 | 219.4 | |||||||
| Fair value, estimate not practicable [Abstract] | |||||||||
| Face amount of debt | $ 23.4 | $ 24.5 |
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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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- Details
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- Details
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- Definition
This item represents a financial instrument (as defined) for which it is not practicable to estimate fair value. Such disclosure may be for an individual financial instrument or a class of financial instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. 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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