Shareholders' Equity

12 Months Ended

Dec. 31, 2011

Stockholders' Equity Note [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

Shareholders' Equity

The following table sets forth the activity in the number of shares outstanding (in thousands):

	Common Stock Issued	Treasury Stock		Common Stock Outstanding
Common stock outstanding at December 31, 2008	125,048	5,740		119,308
Shares issued for stock-based compensation awards	239	(418	)	657
Repurchases of common stock	—	137		(137	)
Common stock outstanding at December 31, 2009	125,287	5,459		119,828
Shares issued for stock-based compensation awards	50	(1,070	)	1,120
Repurchases of common stock	—	6,301		(6,301	)
Common stock outstanding at December 31, 2010	125,337	10,690		114,647
Shares issued for stock-based compensation awards	45	(2,662	)	2,707
Repurchases of common stock	—	5,540		(5,540	)
Common stock outstanding at December 31, 2011	125,382	13,568		111,814

The company has 2,000,000 authorized shares of serial preferred stock with a par value of one dollar. There were no shares of serial preferred stock outstanding at December 31, 2011 and 2010.

Share-Repurchase Programs

In July 2011, the company's Board of Directors (the "Board") approved the repurchase of up to $100,000 of the company's common stock through a share-repurchase program. In October 2011, the company's Board approved an additional repurchase of up to $150,000 of the company's common stock. As of December 31, 2011, the company repurchased 3,245,502 shares under these programs with a market value of $99,699 at the dates of repurchase.