Note 11 - Stock Based Plans Stock Option Activity (Details) (Employee Stock Option [Member], USD $) In Thousands, except Per Share data	9 Months Ended
Sep. 30, 2011
Employee Stock Option [Member]
Stock Option Activity
Stock options outstanding, beginning of period	43,907
Granted and assumed	7,599
Exercised	(7,673)
Forfeited/expired/cancelled	(2,630)
Stock options outstanding, end of period	41,203
Weighted average exercise price of stock options granted, during period	$ 29.64
Weighted average grant date fair value of options granted, during period	$ 9.80

Gross number of share options (or share units) granted and options assumed during the 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.

+ References

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The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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