Supplemental Financial Information (Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013		Dec. 29, 2012
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 513,115		$ 452,264
Accumulated Amortization	(366,141)		(323,596)
Intangible Assets, Net	146,974		128,668	[1]
Core Technology [Member]
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	245,661		151,861
Accumulated Amortization	(173,772)		(120,954)
Intangible Assets, Net	71,889		30,907
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	98,306		94,906
Accumulated Amortization	(76,591)		(68,086)
Intangible Assets, Net	21,715		26,820
Existing Technology [Member]
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	69,900		115,200
Accumulated Amortization	(50,126)		(81,300)
Intangible Assets, Net	19,774		33,900
Developed Technology Assets [Member]
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	68,802		63,951
Accumulated Amortization	(55,442)		(49,743)
Intangible Assets, Net	13,360		14,208
Estimated average life	3 years		3 years
Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	4,500		400
Accumulated Amortization	(4,500)		(400)
Intangible Assets, Net	0		0
In-Process Research And Development [Member]
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	16,746	[2]	16,746	[2]
Accumulated Amortization	(2,853)	[2]	(1,093)	[2]
Intangible Assets, Net	13,893	[2]	15,653	[2]
Estimated average life			4 years	[2]
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Intangible Assets, Gross	9,200		9,200
Accumulated Amortization	(2,857)		(2,020)
Intangible Assets, Net	$ 6,343		$ 7,180
Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	10 years
Maximum [Member] | Core Technology [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	9 years		9 years
Maximum [Member] | Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	10 years		10 years
Maximum [Member] | Existing Technology [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	7 years		7 years
Maximum [Member] | Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	1 year		1 year
Maximum [Member] | In-Process Research And Development [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	5 years	[2]	5 years	[2]
Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	1 year
Minimum [Member] | Core Technology [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	5 years		5 years
Minimum [Member] | Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	2 years		2 years
Minimum [Member] | Existing Technology [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	3 years		3 years
Minimum [Member] | In-Process Research And Development [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	4 years	[2]
Minimum [Member] | Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Estimated average life	6 years		6 years

[1] As Restated

[2] Table above reflects original classification upon acquisition. The majority of this in-process research and development was subsequently completed during 2013 and accordingly is being amortized.