Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Earnings per share

The calculations below provide net earnings, average common shares outstanding, and the resultant earnings per share for both basic and diluted EPS for the years ended December 31, 2012, 2011, and 2010.

($ in thousands, except per share amounts)	Net Earnings (Numerator)		Shares (In thousands) (Denominator)		Per Share Amount
2012
Basic EPS	$	20,333		33,922	$	0.60
Effect of dilutive securities:
Equity-based compensation plans		—		601
Diluted EPS	$	20,333		34,523	$	0.59
2011
Basic EPS	$	20,967		34,321	$	0.61
Effect of dilutive securities:
Equity-based compensation plans		—		685
Diluted EPS	$	20,967		35,006	$	0.60
2010
Basic EPS	$	22,038		34,090	$	0.65
Effect of dilutive securities:
Equity-based compensation plans		—		759
Diluted EPS	$	22,038		34,849	$	0.63

Potentially dilutive securities earnings per share

The following table shows the securities that could potentially dilute EPS in the future, but have been excluded from the 2012, 2011, and 2010 diluted earnings per share calculations because they are either anti-dilutive or the exercise price exceeds the average market price.

	Year ended December 31,
(Number of shares in thousands)	2012		2011		2010
Stock options		346		539		587