v2.3.0.15

Benefit Plans (Details 2) (USD $) In Thousands, except Per Share data	9 Months Ended
	Sep. 30, 2011
Stock option activity under the plans
Balance at December 31, 2010, Stock Options Outstanding	11,020
Balance at December 31, 2010, Weighted Average Exercise Price	$ 6.90
Options granted, Stock Options Outstanding	913
Options granted, Weighted Average Exercise Price	$ 9.20
Options exercised, Stock Options Outstanding	(1,748)
Options exercised, Weighted Average Exercise Price	$ 6.26
Options cancelled, Stock Options Outstanding	(721)
Options cancelled, Weighted Average Exercise Price	$ 7.83
Options expired, Stock Options Outstanding	404
Options expired, Weighted Average Exercise Price	$ 9.25
Balance at September 30, 2011, Stock Options Outstanding	9,060
Balance at September 30, 2011, Weighted Average Exercise Price	$ 7.08
Options vested and exercisable at September 30, 2011, Stock Options Outstanding	6,592
Options vested and expected-to-vest as of September 30, 2011, Stock Options Outstanding	8,955

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Stock option activity under the plans.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c), d(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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The decrease in the number of shares that could be issued attributable to the lapse of rights to exercise previously issued stock options under the terms of the option agreements under the plan during the reporting period.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-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.



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Number of share options (or share units) exercised during the current period.

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