Per Share Data (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Weighted Average Number of Common Shares Used In the Computation of Basic and Diluted Earnings per Share

The weighted average number of common shares used in the computation of basic and diluted earnings per share was as follows (amounts in thousands):

	For the Three Months Ended
	March 31,
	2012	2011
Basic	137,814	141,177
Diluted	143,411	147,425