Defined Benefit Pension Plans - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands		3 Months Ended
		Apr. 03, 2020	Mar. 29, 2019
Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]
Service cost	[1]	$ 319	$ 232
Interest cost	[2]	11	20
Expected return on plan assets	[2]	(43)	(33)
Prior service credit	[2],[3]	(9)	(6)
Actuarial loss recognized in current period	[2],[3]	79	32
Net periodic pension cost		$ 357	$ 245

[1] Recognized in selling general and administrative expenses on the Condensed Consolidated Statements of Income.

[2] Recognized in other income (expense), net on the Condensed Consolidated Statements of Income.

[3] Amounts reclassified from accumulated other comprehensive income (loss).