Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Weighted Average Number of Shares Outstanding Used to Compute Earnings Per Share

The net earnings (loss), weighted-average number of common shares outstanding used to compute earnings per share were as follows:

	(In thousands, except per share data)
	Years Ended December 31,
	2012		2011			2010
Net earnings (loss)	$	16,437	$	(47,583	)	$	19,808
Weighted-average number of common shares outstanding
Basic weighted average common shares outstanding		10,580		10,536			10,488
Dilutive potential common shares		48		85			108
Diluted weighted average common shares outstanding		10,628		10,621			10,596
Earnings per share
Basic	$	1.55	$	(4.52	)	$	1.89
Diluted	$	1.55	$	(4.52	)	$	1.87

Weighted Average Number of Shares Outstanding Excluded from Computation of Diluted Earnings

Potentially dilutive stock options and stock units to purchase common stock as shown below were excluded from the computation of diluted earnings per share because their inclusion would have been anti-dilutive. However, these shares may be potentially dilutive common shares in the future.

	(In thousands)
	Years Ended December 31,
	2012		2011		2010
Stock options and stock units		983		706		436