Additional Income Per Share Textuals Abstract.

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Antidilutive securities excluded from computation of earnings per share amount due to loss from continuing operations.

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Income Per Share.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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-Number 210
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The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

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The effective interest rate on the liability component of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement.

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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.

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-Name Statement of Financial Accounting Standard (FAS)
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Income Per Share (Details Textual) (USD $)	3 Months Ended	6 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
Income Per Share (Details Textual) (USD $)	Jun. 30, 2010	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2011 Antidilutive Securities Six months[Member]	Jun. 30, 2010 Antidilutive Securities Six months[Member]	Jun. 30, 2011 Antidilutive Securities Three Months [Member]	Jun. 30, 2010 Antidilutive Securities Three Months [Member]	Jun. 30, 2011 Convertible Notes Payable [Member]
Additional Income Per Share (Textuals) [Abstract]
Effect of dilutive stock-based compensation awards	569,000	484,000
Shares that may be issued upon conversion spread	257,000
Initial exercise price under warrant			$ 32.70
Approximate number of common stock share which can be purchased under warrants			13,200,000
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock-based compensation awards outstanding				955,000	2,293,000	960,000	2,012,000
Income Per Share (Textuals) [Abstract]
Convertible senior note due 2014								3.75%