Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 27, 2014	Dec. 31, 2013
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	$ 179,334	$ 138,732
Amortizable intangible assets, accumulated amortization	(94,337)	(86,466)
Amortizable intangible assets, net carrying amount	84,997	52,266
Gross carrying amount	192,361	151,759
Accumulated amortization	(94,337)	(86,466)
Net carrying amount	98,024	65,293
Patents and acquired technology
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	79,635	68,500
Amortizable intangible assets, accumulated amortization	(59,468)	(56,327)
Amortizable intangible assets, net carrying amount	20,167	12,173
Customer Relationships
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	79,232	55,585
Amortizable intangible assets, accumulated amortization	(27,869)	(24,340)
Amortizable intangible assets, net carrying amount	51,363	31,245
Customer Backlog
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	3,078	1,269
Amortizable intangible assets, accumulated amortization	(1,872)	(1,269)
Amortizable intangible assets, net carrying amount	1,206
Non-Compete Covenant
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	1,830
Amortizable intangible assets, accumulated amortization	(135)
Amortizable intangible assets, net carrying amount	1,695
Trademarks and Trade Names
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	15,559	13,378
Amortizable intangible assets, accumulated amortization	(4,993)	(4,530)
Amortizable intangible assets, net carrying amount	10,566	8,848
Trade Names
Schedule of Intangible Assets Disclosure [Line Items]
Non-amortizable intangible assets, gross carrying amount	13,027	13,027
Non-amortizable intangible assets, accumulated amortization
Non-amortizable intangible assets, net carrying amount	$ 13,027	$ 13,027