Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

Notes to Financial Statements [Abstract]

Dividends Table [Text Block]

Stockholder	Date	Amount		Amount
Record Date	Paid	Per Share		Paid
				(In thousands)
December 30, 2011	January 13, 2012	$	0.15	$	18,726
September 30, 2011	October 14, 2011		0.15		18,712
June 24, 2011	July 8, 2011		0.15		18,709
March 25, 2011	April 8, 2011		0.15		18,700
December 31, 2010	January 14, 2011	$	0.15	$	18,690
September 24, 2010	October 8, 2010		0.15		18,674
June 25, 2010	July 9, 2010		0.15		18,672
March 26, 2010	April 9, 2010		0.15		18,665
December 25, 2009	January 8, 2010	$	0.15	$	18,657
September 25, 2009	October 9, 2009		0.15		18,610
June 26, 2009	July 10, 2009		0.15		18,607
March 27, 2009	April 10, 2009		0.15		18,607