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Aggregate cash paid for the entire amount of convertible notes exchanged pursuant to an exchange offer carried out by the Company.

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Adjustment to additional paid in capital for the extinguishment of the equity component of convertible notes as a result of the exchange of the entity's shares and cash for outstanding convertible debt instruments.

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Value of shares issued and cash for the exchange of shares and cash for debt instruments which can be exchanged with the issuer by the holder for cash and common stock, at the option of the issuer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-SubTopic 210

-Section S99

-Paragraph 1

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-Paragraph 19, 20, 22

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Debt (Convertible Notes) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended			3 Months Ended
Debt (Convertible Notes) (Details) (USD $) In Millions	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010	Mar. 31, 2011 Convertible Notes Exchange Offer [Member]	Sep. 30, 2010 Convertible Notes Exchange Offer [Member]	Jun. 30, 2011 Convertible Notes Exchange Offer [Member]	Sep. 30, 2010 Convertible Notes [Member]
Principal amount of note						$ 20.0	$ 324.7	$ 0.2	$ 345.0
Settlement of notes payable						3.1	52.0
Shares issued approximately						2.3	37.7
Fair market value of common stock at settlement						47.4
Excess of the fair value of the liability component over carrying value						21.8
Losses related to extinguishments of debt						17.3
Loss related to extinguishment of debt	0	218.6	4.8	218.6		(4.8)
Value of shares issued, increase in stockholders' equity						44.3
Equity component of convertible notes, reduction in stockholders' equity						25.6
Convertible notes outstanding	$ 0.1		$ 0.1		$ 17.5