Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 28, 2019	Dec. 31, 2018
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	$ 312,898	$ 293,298
Amortizable intangible assets, accumulated amortization	(173,150)	(163,405)
Amortizable intangible assets, net carrying amount	139,748	129,893
Non-amortizable intangible assets	13,027	13,027
Gross carrying amount	325,925	306,325
Net carrying amount	152,775	142,920
Patents and Developed Technologies
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	145,369	134,034
Amortizable intangible assets, accumulated amortization	(91,250)	(86,623)
Amortizable intangible assets, net carrying amount	54,119	47,411
Customer Relationships
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	149,095	139,097
Amortizable intangible assets, accumulated amortization	(70,733)	(64,174)
Amortizable intangible assets, net carrying amount	78,362	74,923
Customer Backlog
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	1,925	1,738
Amortizable intangible assets, accumulated amortization	(1,740)	(1,191)
Amortizable intangible assets, net carrying amount	185	547
Non-compete Covenant
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount		2,514
Amortizable intangible assets, accumulated amortization		(2,493)
Amortizable intangible assets, net carrying amount		21
Trademarks and Trade Names
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	16,509	15,915
Amortizable intangible assets, accumulated amortization	(9,427)	(8,924)
Amortizable intangible assets, net carrying amount	$ 7,082	$ 6,991