Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Stockholders' Equity [Abstract]

Schedule Of Stockholders' Equity

Stock options and RSUs outstanding	14,266
Stock options and RSUs available for grant	1,891
Employee stock purchase plan shares available for issuance	799
Total	16,956

Schedule Of Activity Under The Stock Purchase Plan

Year	Shares Purchased		Weighted-average purchase price per share
2011		229,014	$	11.03
2010		173,379	$	8.68
2009		146,692	$	8.46