Employee Benefit Plans - Change in Values Related to Level 3 Assets (Details) - Foreign Plan - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2021	Dec. 29, 2019
Change in plan assets:
Plan assets, beginning of year	$ 266,450	$ 249,313
Actual return on plan assets	25,239	24,999
Translation adjustment	19,432	1,218
Plan assets, end of year	303,531	266,450
Level 3
Change in plan assets:
Plan assets, beginning of year	115,252	109,254
Actual return on plan assets	6,767	5,463
Purchases, sales and settlements, net	437	663
Assets transferred into level 3	3,934	2,101
Translation adjustment	11,233	(2,229)
Plan assets, end of year	137,623	115,252
Unrealized Gains (Losses) Recognized in OCI for Level 3 Plan Assets Held at Year End	$ 10,100	$ 6,200