Revenues Revenues - Significant changes in contract liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021
Revenues [Abstract]
Balance at beginning of period	$ 23,050	$ 13,852
Revenue recognized that was included in the contract liability balance at the beginning of the period	(15,585)	(12,306)
Increases due to cash received, excluding amounts recognized as revenue during the period	25,770	17,060
Balance at end of period	$ 33,235	$ 18,606