Earnings Per Share

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share.

Basic and diluted earnings per common share were calculated as follows (in thousands, except per share data):

	Three Months Ended June 30, 2013
	Net Earnings		Weighted Average Shares	Per Share
Basic earnings per common share	$	42,004	54,885	$	0.77
Effect of dilutive stock awards	—		368
Diluted earnings per common share	$	42,004	55,253	$	0.76

	Three Months Ended June 30, 2012
	Net Earnings		Weighted Average Shares	Per Share
Basic earnings per common share	$	44,182	59,160	$	0.75
Effect of dilutive stock awards	—		418
Diluted earnings per common share	$	44,182	59,578	$	0.74

	Six Months Ended June 30, 2013
	Net Earnings		Weighted Average Shares	Per Share
Basic earnings per common share	$	88,461	56,416	$	1.57
Effect of dilutive stock awards	—		378
Diluted earnings per common share	$	88,461	56,794	$	1.56

	Six Months Ended June 30, 2012
	Net Earnings		Weighted Average Shares	Per Share
Basic earnings per common share	$	96,123	59,206	$	1.62
Effect of dilutive stock awards	—		551
Diluted earnings per common share	$	96,123	59,757	$	1.61

For the three months ended June 30, 2013 and 2012, the number of anti-dilutive stock awards that were outstanding but not included in the computation of diluted earnings per common share were 1,119,530 and 1,159,842, respectively.

For the six months ended June 30, 2013 and 2012, the number of anti-dilutive stock awards that were outstanding but not included in the computation of diluted earnings per common share were 1,268,665 and 1,158,078, respectively.