v2.3.0.15

Cash Convertible Senior Notes and Related Transactions, Textuals (Details) (USD $) | 9 Months Ended | 3 Months Ended |  | 3 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Sep. 30, 2011 Convertible Debt [Member] | Mar. 29, 2010 Convertible Debt [Member] | Mar. 31, 2010 Call Options [Member] | Mar. 31, 2010 Warrant Transactions [Member]
Cash Convertible Senior Notes and Related Transactions (Textuals) [Abstract] |  |  |  |  |  |
Aggregate principal amount of notes pursuant to an indenture |  |  |  | $ 175,000,000 |  |
Proceed from Issuance of Notes net of expenses |  |  | 169,100,000 |  |  |
Stated interest rate of notes pursuant to an indenture |  |  |  | 4.50% |  |
Debt discount on notes |  |  |  | 38,100,000 |  |
Capitalized deferred financing costs |  |  |  | 5,900,000 |  |
Effective interest rate of the Notes |  |  |  | 11.00% |  |
Repurchase Price of Notes |  |  |  | 100.00% |  |
Conversion rate of common stock shares per $1,000 of principal amount |  |  |  | 20.6949 |  |
Principal amount in conversion feature |  |  |  | 1,000 |  |
Initial conversion price of note |  |  |  | $ 48.32 |  |
Purchase of call option in connection with issuance of cash convertible senior notes | 0 | 31,400,000 |  |  | 31,400,000 |
Common stock sold related to option counterparties net share-settled warrants | 3,600,000 |  |  |  |  | 3,600,000
Amount paid by Option Counterparties to Company for Warrants | $ 0 | $ 14,300,000 |  |  |  | $ 14,300,000
Initial strike price per share | $ 61.36 |  |  |  |  | $ 61.36

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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 -Article 4 -Section 08 -Paragraph i -Subparagraph 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 + Details
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