Business Combinations (Schedule Of Amortization Expense Of Purchased And Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 85,160	$ 57,639	$ 52,672
Cost Of Sales [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense	36,455	24,900	22,337
Operating Expenses [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 48,705	$ 32,739	$ 30,335