Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Reconciliation of Shares Used in Computation of Basic and Diluted Net Income Per Share

A reconciliation of the shares used in the computation of basic and diluted net income per share is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(SHARES IN THOUSANDS)	2013		2012		2013		2012
Basic		81,309		81,095		81,300		80,938
Assumed dilution under stock plans		732		687		718		789
Diluted		82,041		81,782		82,018		81,727