Summary of Accrual Activities by Components Related to Company's Restructuring Charges (Details) $ in Thousands	6 Months Ended
	Jul. 03, 2020 USD ($)
Restructuring Cost And Reserve [Line Items]
Accrued expense beginning balance	$ 2,073
Restructuring charges	1,353
Cash payments	(1,974)
Non-cash charges and other adjustments	(237)
Accrued expense ending balance	1,215
Severance
Restructuring Cost And Reserve [Line Items]
Accrued expense beginning balance	1,988
Restructuring charges	820
Cash payments	(1,542)
Non-cash charges and other adjustments	(237)
Accrued expense ending balance	1,029
Facility
Restructuring Cost And Reserve [Line Items]
Restructuring charges	222
Cash payments	(80)
Accrued expense ending balance	142
Other Restructuring Charges
Restructuring Cost And Reserve [Line Items]
Accrued expense beginning balance	85
Restructuring charges	311
Cash payments	(352)
Accrued expense ending balance	$ 44