Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended September 30,						Nine months ended September 30,
In thousands except per share amounts	2013			2012			2013			2012
Net income (loss) available to common stockholders	$	(46,265	)	$	(15,821	)	$	(69,035	)	$	11,127
Weighted average shares
Basic	100,778			89,429			96,893			89,550
Effect of share based compensation plans	—			—			—			140
Diluted	100,778			89,429			96,893			89,690
Income (loss) per share
Basic	$	(0.46	)	$	(0.18	)	$	(0.71	)	$	0.12
Diluted	$	(0.46	)	$	(0.18	)	$	(0.71	)	$	0.12