Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2012

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

	Three Months Ended September 30,				Nine Months Ended September 30,
(SHARES IN THOUSANDS)	2012		2011		2012		2011
Basic		81,246		80,644		81,241		80,381
Assumed dilution under stock plans		652		984		743		1,041
Diluted		81,898		81,628		81,984		81,422