Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 28, 2018	Dec. 31, 2017
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	$ 295,040	$ 283,445
Amortizable intangible assets, accumulated amortization	(157,419)	(141,424)
Amortizable intangible assets, net carrying amount	137,621	142,021
Non-amortizable intangible assets	13,027	13,027
Gross carrying amount	308,067	296,472
Net carrying amount	150,648	155,048
Patents and Developed Technologies
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	134,144	130,890
Amortizable intangible assets, accumulated amortization	(84,359)	(77,295)
Amortizable intangible assets, net carrying amount	49,785	53,595
Customer Relationships
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	140,539	131,809
Amortizable intangible assets, accumulated amortization	(61,253)	(52,015)
Amortizable intangible assets, net carrying amount	79,286	79,794
Customer Backlog
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	1,779	2,524
Amortizable intangible assets, accumulated amortization	(761)	(2,284)
Amortizable intangible assets, net carrying amount	1,018	240
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	(2,358)	(1,956)
Amortizable intangible assets, net carrying amount	156	558
Trademarks and Trade Names
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	16,064	15,708
Amortizable intangible assets, accumulated amortization	(8,688)	(7,874)
Amortizable intangible assets, net carrying amount	$ 7,376	$ 7,834