Earnings Per Share - Reconciliation Of Earnings Per Share Basic And Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 27, 2020	Sep. 29, 2019
Numerator:
Net income	$ 120,218	$ (92,217)	$ 69,695	$ 86,563	$ 195,631	$ 127,945	$ 97,696	$ 410,139
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic weighted-average shares outstanding (in shares)	153,252			156,239			153,153	158,117
Effect of dilutive securities - employee stock compensation plan (in shares)	663			705			637	677
Diluted weighted-average shares outstanding (in shares)	153,915			156,944			153,790	158,794
Net earnings per share:
Basic (in dollars per share)	$ 0.78			$ 0.55			$ 0.64	$ 2.59
Diluted (in dollars per share)	$ 0.78			$ 0.55			$ 0.64	$ 2.58