Debt Disclosure Textuals Abstract.

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Debt.

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Long Term Debt and Capital Lease Obligations Current and Non Current.

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Amount Of Notes To Be Consider In Conversion Rate.

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- Definition

The exercise price of each class of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph i
-Subparagraph 4
-Article 4

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Aggregate amount of each class of warrants or rights outstanding.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 32
-Subparagraph b

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The ratio applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted.

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The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 32
-Subparagraph b

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20

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- Definition

Interest rate stated in the contractual debt agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 31
-Subparagraph b

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20

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- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

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Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

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The maximum number of shares that could be issued to net share settle a contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that may be required to be issued, disclose the fact that a potentially infinite number of shares could be issued to settle the contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 00-19
-Paragraph 50

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The exercise (or strike) price stated in the contract. The fixed price at which the option holder can purchase, in the case of a call option, or sell, in the case of a put option, on the underlying security.

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-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 00-19
-Paragraph 50

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Debt (Details) (USD $)	3 Months Ended	6 Months Ended		6 Months Ended							6 Months Ended
Debt (Details) (USD $)	Jun. 30, 2010	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Convertible Notes Payable [Member]	Dec. 31, 2010 Convertible Notes Payable [Member]	Jun. 30, 2011 Capital Lease Obligations [Member]	Dec. 31, 2010 Capital Lease Obligations [Member]	Aug. 01, 2011 $1.0 Billion Credit Facility [Member]	Jun. 30, 2011 $1.0 Billion Credit Facility [Member]	Dec. 31, 2010 $1.0 Billion Credit Facility [Member]	Jun. 30, 2011 3.75% Convertible Senior Notes Maturity Date [Member]	Jun. 30, 2011 6.75% Senior Notes Maturity Date [Member]	Jun. 30, 2011 Senior Notes, 6.75%, Due 2014 [Member]	Dec. 31, 2010 Senior Notes, 6.75%, Due 2014 [Member]
Debt and capital lease obligations related to continuing operations
Total Debt Outstanding		$ 1,165,346,000	$ 1,159,215,000	$ 312,767,000	$ 306,551,000	$ 399,000	$ 484,000		$ 700,000,000	$ 700,000,000			$ 152,180,000	$ 152,180,000
Less amounts due within one year		190,000	58,574,000
Total long-term debt		1,165,156,000	1,100,641,000
Debt Disclosure (Textuals) [Abstract]
Debt Instrument, Maturity Date											Oct. 01, 2014	Nov. 15, 2014
Total credit facility								1,000,000,000	1,000,000,000
Debt discount on Convertible Senior Notes				47,233,000	53,449,000
Interest				3.75%									6.75%
Face amount of outstanding debt				360,000,000
Conversion price of convertible senior notes				27.25
Shares to be issued in case if-converted value of the Convertible Notes exceeds the face amount	257,000
Initial strike price of the Purchased Options subject to certain customary adjustments				$ 27.25
Number of shares for purchased options				13,200,000
Principal amount of convertible notes to be consider in conversion rate				$ 1,000
Debt (Textuals) [Abstract]
Maturity date for revolving loan, letters of credit and term loan		July 25, 2012
Three months rate of interest on revolving loans and term loans		LIBOR plus 2.50% or a base rate plus 0.50%
Conversion rate of senior notes (shares per thousand of principal amount)		36.6972
Approximate number of common stock share which can be purchased under warrants sold to hedge counter parties		13,200,000
Initial exercise price under warrant		$ 32.70