Commitments and contingencies Details (Details)	6 Months Ended
	Jul. 02, 2022
Loss contingency, number of claims alleged	3
Northern California wildfires
Loss contingency, number of claims alleged	5
Fire Victims Trust
Loss contingency, number of claims alleged	3
Wolf employee defendants [Member]
Loss contingency, number of defendants	2
Former Wolf employee defendants [Member]
Loss contingency, number of defendants	2
Employee and former employee defendants [Member]
Loss contingency, number of defendants	4
Defendants who pled guilty
Loss contingency, number of defendants	2
defendants indicted [Member]
Loss contingency, number of defendants	3