Income Taxes (Details) $ in Thousands, kr in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022 USD ($)	Jul. 03, 2021 USD ($)	Jul. 02, 2022 USD ($)	Jul. 02, 2022 NOK (kr)	Jul. 03, 2021 USD ($)
Income Taxes
Income tax expense (benefit)	$ 10,994	$ 1,165	$ 22,683		$ 3,157
Effective income tax rate (as a percent)	33.20%	(6.70%)	33.50%	33.50%	(7.80%)
Gross unrecognized tax benefits which would affect the effective tax rate if recognized	$ 4,300		$ 4,300
Reasonably possible amount of decrease in gross unrecognized tax benefits over the next 12 months	$ (500)		(500)
Norwegian Tax Administration | 2013 | Under appeal
Income Taxes
Estimate of additional income tax expense			$ 14,200	kr 141.3