Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Details of basic and diluted earnings (loss) per share

	Three months ended
	September 30
In thousands, except per share	2012		2011
Net income	$	20,099	$	13,026
Weighted average common shares outstanding used in basic EPS		42,837		45,299
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs		830		540
Weighted average common shares outstanding and common share equivalents used in diluted EPS		43,667		45,839
Earnings per share
Basic	$	0.47	$	0.29
Diluted		0.46		0.28

	Nine months ended
	September 30
In thousands, except per share	2012		2011
Net income	$	52,409	$	32,953
Weighted average common shares outstanding used in basic EPS		42,814		45,813
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs		781		528
Weighted average common shares outstanding and common share equivalents used in diluted EPS		43,595		46,341
Earnings per share
Basic	$	1.22	$	0.72
Diluted		1.20		0.71

Number of potential common shares that have been excluded from the computation of diluted earnings per share for the indicated period due to their anti-dilutive nature

	2012		2011
Three months ended September 30		7,544		613,900
Nine months ended September 30		158,444		1,090,621