Severance, Restructuring and Acquisition Integration Activities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 28, 2020	Mar. 29, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	$ 4,472		$ 2,519	$ 8,091	$ 2,519
Restructuring and integration cost payable period				60 days
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	92		300	$ 137	300
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	4,380		$ 2,219	7,954	$ 2,219
PPC Broadband and Opterna Integration Program
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	900			3,100
Restructuring and Integration, Incremental costs				1,500
Cost Reduction Plan
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs				40,000
Restructuring and Integration, Incremental costs				22,000
New charges	4,660	$ 2,529
Cost Reduction Plan | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 60,000			$ 60,000