Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 29, 2019	Dec. 31, 2018
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	$ 293,581	$ 293,298
Amortizable intangible assets, accumulated amortization	(169,979)	(163,405)
Amortizable intangible assets, net carrying amount	123,602	129,893
Non-amortizable intangible assets	13,027	13,027
Gross carrying amount	306,608	306,325
Net carrying amount	136,629	142,920
Patents and Developed Technologies
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	134,179	134,034
Amortizable intangible assets, accumulated amortization	(89,045)	(86,623)
Amortizable intangible assets, net carrying amount	45,134	47,411
Customer Relationships
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	139,157	139,097
Amortizable intangible assets, accumulated amortization	(67,591)	(64,174)
Amortizable intangible assets, net carrying amount	71,566	74,923
Customer Backlog
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	1,766	1,738
Amortizable intangible assets, accumulated amortization	(1,606)	(1,191)
Amortizable intangible assets, net carrying amount	160	547
Non-compete Covenant
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	2,514	2,514
Amortizable intangible assets, accumulated amortization	(2,514)	(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	15,965	15,915
Amortizable intangible assets, accumulated amortization	(9,223)	(8,924)
Amortizable intangible assets, net carrying amount	$ 6,742	$ 6,991