Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share (Tables) [Abstract]

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