Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Computation of basic and diluted net earnings per share

The following table sets forth the computation of basic and diluted EPS:

(Thousands except per share amounts)	2014		2013		2012
Numerator for basic and diluted EPS:
Net income	$	41,721	$	19,707	$	24,664
Denominator:
Denominator for basic EPS:
Weighted-average shares outstanding	20,461		20,571		20,418
Effect of dilutive securities:
Stock options and stock appreciation rights	185		188		163
Restricted stock	95		101		94
Performance-based restricted shares	69		35		4
Diluted potential common shares	349		324		261
Denominator for diluted EPS:
Adjusted weighted-average shares outstanding	20,810		20,895		20,679
Basic EPS	$	2.04	$	0.96	$	1.21
Diluted EPS	$	2.00	$	0.94	$	1.19