Weighted-Average Shares

3 Months Ended

Apr. 01, 2018

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



	Three-months Ended
	April 1, 2018	April 2, 2017
Basic weighted-average common shares outstanding	173,280	172,646
Effect of dilutive stock options	6,361	5,708
Weighted-average common and common-equivalent shares outstanding	179,641	178,354

Stock options to purchase 1,339,000 and 1,648,000 shares of common stock, on a weighted-average basis, were outstanding during the three-month periods ended April 1, 2018 and April 2, 2017, respectively, but were not included in the calculation of dilutive net income per share because they were anti-dilutive.