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Reorganization and Realignment Costs System Optimization Accrual Rollforward (Details) - System Optimization Initiative - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Restructuring Cost and Reserve
Beginning balance			$ 1,230
Charges	$ 1,165	$ 0	2,754	$ 84
Payments			(3,984)
Ending balance	0		0
Severance and related employee costs
Restructuring Cost and Reserve
Beginning balance			0
Charges	661	0	661	0
Payments			(661)
Ending balance	0		0
Professional fees
Restructuring Cost and Reserve
Beginning balance			1,230
Charges	504	0	739	80
Payments			(1,969)
Ending balance	0		0
Other
Restructuring Cost and Reserve
Beginning balance			0
Charges	0	$ 0	1,354	$ 4
Payments			(1,354)
Ending balance	$ 0		$ 0