Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Oct. 03, 2021	Jul. 04, 2021	Apr. 04, 2021	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Oct. 03, 2021	Sep. 27, 2020
Earnings Per Share [Abstract]
Net income	$ 41,171	$ 65,724	$ 41,366	$ 39,753	$ 24,904	$ 14,441	$ 148,261	$ 79,098
Weighted average basic shares outstanding	222,373			223,907			222,527	223,521
Dilutive effect of stock options and restricted shares	2,685			4,410			3,201	4,312
Weighted average diluted shares outstanding	225,058			228,317			225,728	227,833
Earnings Per Share, Basic	$ 0.19			$ 0.18			$ 0.67	$ 0.35
Earnings Per Share, Diluted	$ 0.18			$ 0.17			$ 0.66	$ 0.35
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,746			1,049			2,147	2,117