Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

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

	Three months ended June 30,						Six months ended June 30,
In thousands except per share amounts	2014			2013			2014			2013
Net income (loss) available to common stockholders	$	(43,121	)	$	(35,040	)	$	(80,312	)	$	(22,770	)
Weighted average shares:
Basic	102,444			99,833			102,405			94,918
Effect of share based compensation plans	—			—			—			—
Diluted	102,444			99,833			102,405			94,918
Income (loss) per share:
Basic	$	(0.42	)	$	(0.35	)	$	(0.78	)	$	(0.24	)
Diluted	$	(0.42	)	$	(0.35	)	$	(0.78	)	$	(0.24	)