Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Weighted average number of shares used to calculate basic and diluted net income per share

The weighted average number of shares used to calculate basic and diluted net income per share were as follows:

	Three Months Ended		Six Months Ended
	June 30, 2019	July 1, 2018	June 30, 2019	July 1, 2018
Common stock:
Weighted average basic shares outstanding	231,029	238,991	230,807	239,459
Dilutive effect of stock options and restricted shares	5,064	7,161	5,186	7,826
Weighted average diluted shares outstanding	236,093	246,152	235,993	247,285