Earnings (loss) per share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings (loss) per share

Earnings per share, basic and diluted

	Three Months Ended					Six Months Ended
	June 30,					June 30,
(in thousands, except per share data)	2013		2012			2013			2012
Basic Earnings (Loss)Per Share
Net income (loss)	$	598	$	(5,830	)	$	(63,398	)	$	14,161
Common stock outstanding (weighted average)	65,355		69,390			65,281			69,951
Basic net income (loss) per share	$	0.01	$	(0.08	)	$	(0.97	)	$	0.20
Diluted Earnings (Loss) Per Share
Net income (loss)	$	598	$	(5,830	)	$	(63,398	)	$	14,161
Diluted net income (loss)	$	598	$	(5,830	)	$	(63,398	)	$	14,161
Common stock outstanding (weighted average)	65,355		69,390			65,281			69,951
Add potentially dilutive stock awards and warrants	3,562		—			—			3,077
Common stock equivalents	68,917		69,390			65,281			73,028
Diluted net income (loss) per share	$	0.01	$	(0.08	)	$	(0.97	)	$	0.19

Common shares associated with stock options excluded from calculation as their effect would be anti-dilutive

	Three Months Ended		Six Months Ended
	June 30,		June 30,
(in thousands)	2013	2012	2013	2012
Stock awards	3,358	5,572	6,160	1,997
Shares from senior convertible notes	10,863	10,864	10,863	10,864