Net Income Per Share (Tables)

6 Months Ended

Jun. 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 June 30,		Six Months Ended June 30,
(SHARES IN THOUSANDS)	2017	2016	2017	2016
Basic	79,072	79,764	79,088	79,809
Assumed dilution under stock plans	233	276	272	332
Diluted	79,305	80,040	79,360	80,141