Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2018

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)	2018	2017	2018	2017
Basic	79,065	79,072	79,041	79,088
Assumed dilution under stock plans	238	233	306	272
Diluted	79,303	79,305	79,347	79,360