(Schedule of Intangible Assets Excluding Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2012 Y	Sep. 30, 2011
Intangible Assets Excluding Goodwill [Line Items]
Intangible Assets Gross Excluding Goodwill	$ 175,695	$ 135,935
Intangible Assets Excluding Goodwill Accumulated Amortization	81,685	49,127
Intangible Assets, Net (Excluding Goodwill)	94,010	86,808
Customer Relationships [Member]
Intangible Assets Excluding Goodwill [Line Items]
Amortized Intangible Assets, Weighted Average Useful Life	3.5
Intangible Assets, Gross Carrying Amount	78,710	57,510
Amortized Intangible Assets, Accumulated Amortization	36,242	21,828
Intangible Assets, Net Carrying Amount	42,468	35,682
Developed Technology and Other [Member]
Intangible Assets Excluding Goodwill [Line Items]
Amortized Intangible Assets, Weighted Average Useful Life	3.8
Intangible Assets, Gross Carrying Amount	89,366	70,046
Amortized Intangible Assets, Accumulated Amortization	42,266	27,039
Intangible Assets, Net Carrying Amount	47,100	43,007
In-Process Research and Development [Member]
Intangible Assets Excluding Goodwill [Line Items]
Amortized Intangible Assets, Weighted Average Useful Life	1.4
Intangible Assets, Gross Carrying Amount	6,050	4,510
Amortized Intangible Assets, Accumulated Amortization	3,177	260
Intangible Assets, Net Carrying Amount	2,873	4,250
Trademarks [Member]
Intangible Assets Excluding Goodwill [Line Items]
Indefinite-Lived Trademarks	1,569	3,869
Indefinite-lived Intangible Assets	$ 1,569	$ 3,869