Goodwill And Intangible Assets (Schedule Of Expected Annual Amortization Expense Related To Intangible Assets For The Next Five Years) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2012
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Amortization expense, 2012	$ 16,732
Amortization expense, 2013	28,445
Amortization expense, 2014	23,371
Amortization expense, 2015	20,466
Amortization expense, 2016	16,247
Future Amortization Expense, after Year Five	$ 1,973