Property, Plant and Equipment (Narrative) (Details) $ in Thousands, £ in Millions			12 Months Ended
	Sep. 28, 2022 USD ($)	Sep. 28, 2022 GBP (£)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Property purchased			$ 31,972	$ 9,816	$ 14,263
Interest capitalized			$ 100	$ 100	$ 200
Interest cost rate			4.33%	2.54%	3.02%
Additions of property, plant and equipment			$ 13,200	$ 7,500	$ 11,400
Maltby auction site
Property, Plant and Equipment [Line Items]
Property purchased	$ 13,500	£ 12.6	$ 13,500