Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2017

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)	2017	2016	2017	2016
Basic	79,063	79,580	79,072	79,727
Assumed dilution under stock plans	299	355	281	340
Diluted	79,362	79,935	79,353	80,067