Net Income per Share (Details) - shares shares in Thousands	3 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Earnings Per Share [Abstract]
Weighted-average shares used in computing basic net income per share (in shares)	77,598	76,005
Add potentially dilutive securities (in shares)	2,390	2,505
Weighted-average shares used in computing diluted net income per share (in shares)	79,988	78,510
Securities not included as they would have been antidilutive (in shares)	3	9