Nature of Operations and Accounting Policies Nature of Operations and Accounting Policies (Narrative) (Details) (Details) $ in Thousands	12 Months Ended
	Jan. 03, 2021 USD ($) segments plan	Dec. 29, 2019 USD ($)	Dec. 30, 2018 USD ($)	Dec. 30, 2019 USD ($)
Number of Stock-based Compensation Plans | plan	1
Number of Operating Segments | segments	2
Defined Benefit Plan, Other Cost (Credit)	$ 18,800	$ 25,300	$ 11,500
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	25,913	(447)	(8,004)
Restricted Cash	$ 578	$ 17	$ 3,204
Accounting Standards Update 2016-13 [Member]
Impact of New Accounting Principles, Deferred Tax Assets				$ 400
Impact of New Accounting Principles, Reserve for Doubtful Accounts				(1,700)
Cumulative Effect of New Accounting Pronouncement, Period of Adoption				$ 1,300
Minimum [Member] | Building [Member]
Property, Plant and Equipment, Useful Life, Maximum	10 years
Minimum [Member] | Tools, Dies and Molds [Member]
Property, Plant and Equipment, Useful Life, Maximum	3 years
Maximum [Member] | Building [Member]
Property, Plant and Equipment, Useful Life, Maximum	40 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment, Useful Life, Maximum	8 years