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FAIR VALUE MEASUREMENTS (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |||||||
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Sep. 30, 2012
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Sep. 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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Dec. 31, 2012
8.125% Senior Notes due 2018 [Member]
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Sep. 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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Sep. 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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| Debt Fair Value [Line Items] | ||||||||
| Impairment related to definite-lived intangible assets | $ 13.8 | |||||||
| Interest rate, stated percentage | 7.00% | 7.00% | 8.125% | 2.875% | 2.875% | |||
| Estimated fair values of senior notes | 443.1 | 236.3 | 273.4 | |||||
| Estimated fair values of convertible senior notes | 225.2 | 219.4 | ||||||
| Fair value, estimate not practicable [Abstract] | ||||||||
| Face amount of debt | $ 24.8 | $ 24.5 | ||||||
| X | ||||||||||
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- Details
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- Definition
Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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| X | ||||||||||
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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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| X | ||||||||||
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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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