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Convertible Note Hedge and Warrant Transactions | 12 Months Ended
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Dec. 31, 2011
Convertible Note Hedge and Warrant Transactions [Abstract] |
Schedule of Derivative Financial Instruments Indexed to, and Potentially Settled in, Entity's Own Stock, Equity [Table Text Block] | Convertible Note Hedge and Warrant Transactions In connection with the issuance of the Convertible Notes in March 2009, the Company entered into separate convertible note hedge transactions and warrant transactions with respect to the Company's common stock to minimize the impact of the potential dilution upon conversion of the Convertible Notes. The Company purchased call options in private transactions to cover 40.1 million shares of the Company's common stock at a strike price of $8.61 per share, subject to adjustment in certain circumstances, for $69.0 million. The call options generally allowed the Company to receive shares of the Company's common stock from counterparties equal to the number of shares of common stock payable to the holders of the Convertible Notes upon conversion. The Company also sold warrants permitting the purchasers to acquire up to 40.1 million shares of the Company's common stock at an exercise price of $11.59 per share, subject to adjustment in certain circumstances, in private transactions for total proceeds of $32.7 million. In September 2010, in connection with the Plan, the Company negotiated settlement of the convertible note hedge and warrants with the Company receiving $369.5 million from the counterparties for the value of the convertible note hedge and paying the counterparties $298.4 million for the warrants. As of December 31, 2010, the Company had completely settled the convertible note hedge and warrant transactions and recorded a net increase in additional paid-in capital of $71.1 million representing the net value associated with the settlement of the convertible note hedge and warrant transactions.

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- Definition Tabular disclosure of derivative instruments that require the entity to deliver shares as part of a physical settlement or a net-share settlement or contracts that give the company a choice of (a) net-cash settlement or settlement in shares including net-share settlement or physical settlement that requires the company to deliver shares), or (b) net-share settlement or physical settlement that requires the company to deliver cash. In the case of an option contract indexed to the issuer's equity, this disclosure includes the option strike price, the number of issuer's shares to which the contract is indexed, the settlement date or dates of the contract, and the issuer's accounting for the contract (i.e., asset, liability, or equity). Also includes description of the settlement alternatives, who controls the settlement alternatives, and the maximum number of shares that could be required to be issued to net-share settle the contract. If a contract does not have a fixed or determinable maximum number of shares that may be required to be issued, disclosure includes the contract's current fair value of settlement alternatives (in monetary or quantities of shares) and how changes in the price of the issuer's equity instruments affect those settlement amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90198-114008 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90193-114008 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 00-19 -Paragraph 50 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 150 -Paragraph 12 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 + Details
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