Weighted Average Common Shares (Tables)

3 Months Ended

Mar. 31, 2012

Weighted Average Common Shares [Abstract]

Schedule Of Weighted Average Numbers Of Common Shares Used To Compute Basic And Diluted Net Income Per Share

	For the Quarters Ended March 31,
	2012		2011
	(Shares in thousands)
Basic common shares outstanding		66,844		76,139
Common stock equivalents		116		614
Diluted common shares outstanding		66,960		76,753