Restructuring costs (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Dec. 31, 2021
Restructuring Reserve [Roll Forward]
Beginning balance	$ 1,536
Expenses incurred	577	$ 0
Payments made	(619)
Ending balance	1,494		$ 1,536
Restructuring Plan of 2021
Restructuring Cost and Reserve [Line Items]
Restructuring plan, expected costs	2,900
Restructuring Reserve [Roll Forward]
Expenses incurred	377		2,487
Restructuring Plan Of 2022
Restructuring Cost and Reserve [Line Items]
Restructuring plan, expected costs	1,055
Restructuring Reserve [Roll Forward]
Expenses incurred	200
Employee severance and temporary labor costs
Restructuring Reserve [Roll Forward]
Beginning balance	1,400
Expenses incurred	577
Payments made	(619)
Ending balance	1,358		1,400
Other charges
Restructuring Reserve [Roll Forward]
Beginning balance	136
Expenses incurred	0
Payments made	0
Ending balance	$ 136		$ 136