Summary of Accrual Activities by Components Related to Company's Restructuring Charges (Details) $ in Thousands	9 Months Ended
	Oct. 02, 2020 USD ($)
Restructuring Cost And Reserve [Line Items]
Accrued expense beginning balance	$ 2,073
Restructuring charges	2,427
Cash payments	(2,699)
Non-cash charges and other adjustments	(530)
Accrued expense ending balance	1,271
Severance
Restructuring Cost And Reserve [Line Items]
Accrued expense beginning balance	1,988
Restructuring charges	1,786
Cash payments	(2,195)
Non-cash charges and other adjustments	(459)
Accrued expense ending balance	1,120
Facility
Restructuring Cost And Reserve [Line Items]
Restructuring charges	223
Cash payments	(93)
Non-cash charges and other adjustments	(1)
Accrued expense ending balance	129
Other Costs
Restructuring Cost And Reserve [Line Items]
Accrued expense beginning balance	85
Restructuring charges	418
Cash payments	(411)
Non-cash charges and other adjustments	(70)
Accrued expense ending balance	$ 22