Goodwill And Purchased Intangibles (Purchased Intangibles) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 04, 2013	Dec. 28, 2012
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 92,378	$ 83,555
Total expected amortization expense	62,203
Definite-Lived: Developed Technologies
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	105,981	113,533
Accumulated amortization	65,178	58,303
Total expected amortization expense	40,803	55,230
Definite-Lived: Other
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	48,600	53,020
Accumulated amortization	27,200	25,252
Total expected amortization expense	21,400	27,768
Total Purchased Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	154,581	166,553
Accumulated amortization	92,378	83,555
Total expected amortization expense	$ 62,203	$ 82,998