Weighted-Average Shares (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Calculation of Weighted-Average Shares

Weighted-average shares were calculated as follows (in thousands):

	Three-months Ended		Six-months Ended
	June 30, 2019	July 1, 2018	June 30, 2019	July 1, 2018
Basic weighted-average common shares outstanding	171,318	172,370	171,209	172,825
Effect of dilutive stock options	4,130	4,779	4,319	5,593
Weighted-average common and common-equivalent shares outstanding	175,448	177,149	175,528	178,418