Restructuring, Acquisition, and Related Costs - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs	$ 1,074	$ 1,466	$ 2,427	$ 4,836
Acquisition and related charges	613	4,080	3,164	7,077
Legal costs	400		1,000
Finders' Fees, Legal, Valuation And Other Professional Or Consulting Fees
Restructuring, Acquisition, and Related Costs [Line Items]
Acquisition and related charges		3,300	100	4,900
Finders' Fees, Legal, Valuation And Other Professional Or Consulting Fees | Maximum
Restructuring, Acquisition, and Related Costs [Line Items]
Acquisition and related charges	100
Earn-out Agreement
Restructuring, Acquisition, and Related Costs [Line Items]
Acquisition and related charges	200	800	2,000	2,200
2020 Restructuring Program
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs	1,006		$ 1,006
2020 Restructuring Program | Vision
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring and related cost description			As a result of the Company’s ongoing evaluations and efforts to reduce its operating costs, while improving efficiency and effectiveness, the Company initiated the 2020 restructuring program in the third quarter of 2020. This program is focused on reducing operating complexity in the Company, including reducing infrastructure costs and streamlining the Company’s operating model to better serve its customers. In addition, the program will be focused on cost reduction actions that improve gross margins for the overall company. During the three months ended October 2, 2020, the Company recorded $1.0 million in severance and other costs in connection with the 2020 restructuring program. These costs were reported in the Vision reportable segment.
2020 Restructuring Program | Vision | Severance and Related Costs
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs	1,000
2019 Restructuring Plan
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring and related cost description			During the fourth quarter of 2018, the Company implemented a restructuring plan intended to realign operations, reduce costs, achieve operational efficiencies and focus resources on growth initiatives (the “2019 restructuring plan”). During the nine months ended October 2, 2020, the Company recorded $0.1 million in severance and related costs, $0.2 million in facility related costs, and $0.4 million of other costs in connection with the 2019 restructuring plan. As of October 2, 2020, the Company incurred cumulative costs related to this restructuring plan totaling $8.5 million. The 2019 restructuring program was substantially completed in the first quarter of 2020
Restructuring costs	68	1,115	$ 667	4,047
Restructuring cumulative costs incurred	8,500		8,500
2019 Restructuring Plan | Severance and Related Costs
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs			100
2019 Restructuring Plan | Facility Costs
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs			200
2019 Restructuring Plan | Other Costs
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs			400
2019 Restructuring Plan | Vision
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs	13	367	304	1,023
2018 Restructuring Plan
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs		$ 351	754	$ 789
Restructuring cumulative costs incurred	$ 3,600		$ 3,600
2018 Restructuring Plan | Vision
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring and related cost description			During the second quarter of 2018, the Company initiated a program to integrate manufacturing operations as a result of acquisition activities (the “2018 restructuring plan”). During the nine months ended October 2, 2020, the Company recorded $0.8 million in severance and other costs in connection with the 2018 restructuring plan. These costs were reported in the Vision reportable segment. As of October 2, 2020, the Company incurred cumulative costs related to this restructuring plan totaling $3.6 million. The 2018 restructuring program was substantially completed in the second quarter of 2020.
2018 Restructuring Plan | Vision | Severance and Related Costs
Restructuring, Acquisition, and Related Costs [Line Items]
Restructuring costs			$ 800