Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Details of Basic and Diluted EPS

The details of basic and diluted EPS are as follows:

	Three Months Ended				Nine Months Ended
(in thousands, except per share data)	September 30, 2016		September 30, 2015		September 30, 2016		September 30, 2015
Net income	$	69,557	$	66,033	$	195,653	$	184,500
Weighted average shares outstanding – basic	86,959		89,694		87,570		89,873
Dilutive effect of stock plans	1,717		1,899		1,785		1,947
Weighted average shares outstanding – diluted	88,676		91,593		89,355		91,820
Basic earnings per share	$	0.80	$	0.74	$	2.23	$	2.05
Diluted earnings per share	$	0.78	$	0.72	$	2.19	$	2.01
Anti-dilutive shares	269		204		242		221