Guarantees Guarantees (Narrative) (Details)	3 Months Ended
	Apr. 02, 2021 USD ($)
Schedule of Fiscal Years [Line Items]
Indemnifications obligations to Officers and Directors	$ 0
Intellectual property indemnification obligations	$ 0
Minimum
Schedule of Fiscal Years [Line Items]
Product warranty period term	1 year
Maximum
Schedule of Fiscal Years [Line Items]
Product warranty period term	5 years