Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 28, 2014	Dec. 31, 2013
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	$ 179,316	$ 138,732
Amortizable intangible assets, accumulated amortization	(89,580)	(86,466)
Amortizable intangible assets, net carrying amount	89,736	52,266
Gross carrying amount	192,343	151,759
Accumulated amortization	(89,580)	(86,466)
Net carrying amount	102,763	65,293
Patents and acquired technology
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	79,675	68,500
Amortizable intangible assets, accumulated amortization	(57,674)	(56,327)
Amortizable intangible assets, net carrying amount	22,001	12,173
Customer Relationships
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	79,737	55,585
Amortizable intangible assets, accumulated amortization	(25,821)	(24,340)
Amortizable intangible assets, net carrying amount	53,916	31,245
Customer Backlog
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	2,900	1,269
Amortizable intangible assets, accumulated amortization	(1,346)	(1,269)
Amortizable intangible assets, net carrying amount	1,554
Non-Compete Covenant
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	1,487
Amortizable intangible assets, accumulated amortization	(16)
Amortizable intangible assets, net carrying amount	1,471
Trademarks and Trade Names
Schedule of Intangible Assets Disclosure [Line Items]
Amortizable intangible assets, gross carrying amount	15,517	13,378
Amortizable intangible assets, accumulated amortization	(4,723)	(4,530)
Amortizable intangible assets, net carrying amount	10,794	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