Other Comprehensive Income (Loss) - Narratives (Details) $ in Thousands, £ in Millions		3 Months Ended		12 Months Ended
	Apr. 06, 2020 USD ($)	Jan. 01, 2022 USD ($)	Jan. 01, 2022 GBP (£)	Dec. 31, 2022 USD ($)	Jan. 01, 2022 USD ($)	Dec. 26, 2020 USD ($)
Other Comprehensive Income (Loss)
Benefit obligation, unamortized actuarial loss	$ 13,400
One-time non cash settlement charge				$ 820	$ (19,855)	$ (236)
Prior service cost				$ 150	$ 179
Foreign Plan
Other Comprehensive Income (Loss)
One-time non cash settlement charge		$ 19,900	£ 14.9
Prior service cost		$ 500	£ 0.4