Net Income Per Share (Tables)

9 Months Ended

Sep. 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 September 30,		Nine Months Ended September 30,
(SHARES IN THOUSANDS)	2013	2012	2013	2012
Basic	81,437	81,246	81,349	81,241
Assumed dilution under stock plans	606	652	610	743
Diluted	82,043	81,898	81,959	81,984