Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jul. 03, 2020	Jul. 02, 2021	Jul. 03, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	$ 1,516	$ 4,484	$ 2,868	$ 6,279
Bal Seal [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs				500
G&A Reduction Effort [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 1,500	1,800	$ 2,900	$ 3,100
COVID-19 [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs		$ 2,700