Earnings Per Share (tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

EPS Calculation Table Text Block

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
Thousands, except per share amounts	2012			2011			2012		2011
Net income	$	(10,558	)	$	(8,312	)	$	31,458	$	34,654
Average common shares outstanding - basic	26,847			26,686			26,813		26,676
Additional shares for stock-based compensation plans outstanding (See Note 6)	—			—			89		54
Average common shares outstanding - diluted	26,847			26,686			26,902		26,730
Earnings per share of common stock - basic	$	(0.39	)	$	(0.31	)	$	1.17	$	1.30
Earnings per share of common stock - diluted	$	(0.39	)	$	(0.31	)	$	1.17	$	1.30
Anti-dilutive shares excluded from net income per diluted common share calculation	107			63			—		3