Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Weighted Average Common Shares Outstanding

A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per weighted average common share (EPS) calculation for the three months ended March 31 was as follows (in thousands):

	2013	2012
Weighted average common shares outstanding:
Basic EPS calculation	110,767	110,716
Effect of dilutive share-based awards	9	25
Diluted EPS calculation	110,776	110,741