CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) (USD $) In Thousands	12 Months Ended
Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
CONSOLIDATED STATEMENTS OF EQUITY
Tax benefit on issuance of shares under employee stock purchase plan and option plans and stock-based compensation	$ 2,252	$ 5,532	$ 5,112

Tax benefit associated with any share-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 62

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