Schedule of Amortizable Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 29, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 515,464	$ 515,464
Accumulated Amortization	299,716	263,173
Net Carrying Amount	215,748	252,291
Weighted Average Useful Life, years	6 years 10 months 24 days	6 years 10 months 24 days
Developed technology
Finite-Lived Intangible Assets
Gross Carrying Amount	342,933	342,933
Accumulated Amortization	200,154	174,563
Net Carrying Amount	142,779	168,370
Weighted Average Useful Life, years	6 years 2 months 12 days	6 years 2 months 12 days
Customer Relationships
Finite-Lived Intangible Assets
Gross Carrying Amount	141,497	141,497
Accumulated Amortization	86,145	76,963
Net Carrying Amount	55,352	64,534
Weighted Average Useful Life, years	8 years	8 years
Trade names and trademarks
Finite-Lived Intangible Assets
Gross Carrying Amount	30,034	30,034
Accumulated Amortization	12,417	10,647
Net Carrying Amount	17,617	19,387
Weighted Average Useful Life, years	9 years 1 month 6 days	9 years 1 month 6 days
Customer backlog
Finite-Lived Intangible Assets
Gross Carrying Amount	1,000	1,000
Accumulated Amortization	$ 1,000	$ 1,000
Weighted Average Useful Life, years	4 months 24 days	4 months 24 days