Detail of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jul. 02, 2011
Acquired Intangible Assets by Major Class [Line Items]
Gross carrying amount	$ 742,133	$ 746,696	$ 800,336
Accumulated amortization	(171,630)	(154,411)	(145,428)
Net	570,503	592,285	654,908
Gross carrying amount	248,175	252,034	266,282
Accumulated amortization
Net	248,175	252,034	266,282
Finite-life intangibles
Acquired Intangible Assets by Major Class [Line Items]
Gross carrying amount	493,958	494,662	534,054
Accumulated amortization	(171,630)	(154,411)	(145,428)
Net	322,328	340,251	388,626
Finite-life intangibles | Patents
Acquired Intangible Assets by Major Class [Line Items]
Gross carrying amount	5,895	5,896	15,485
Accumulated amortization	(4,298)	(4,038)	(13,306)
Net	1,597	1,858	2,179
Finite-life intangibles | Proprietary technology
Acquired Intangible Assets by Major Class [Line Items]
Gross carrying amount	129,748	128,841	136,737
Accumulated amortization	(45,994)	(39,956)	(34,423)
Net	83,754	88,885	102,314
Finite-life intangibles | Customer relationships
Acquired Intangible Assets by Major Class [Line Items]
Gross carrying amount	356,814	358,410	380,263
Accumulated amortization	(120,738)	(109,887)	(97,232)
Net	236,076	248,523	283,031
Finite-life intangibles | Trade names
Acquired Intangible Assets by Major Class [Line Items]
Gross carrying amount	1,501	1,515	1,569
Accumulated amortization	(600)	(530)	(467)
Net	$ 901	$ 985	$ 1,102