Long-Term Debt (Schedule Of Debt) (Details) (USD $)	Dec. 28, 2012	Dec. 30, 2011
Debt Instrument [Line Items]
Total debt	$ 911,158,000	$ 564,436,000
Less: current portion of long-term debt	38,092,000	65,918,000
Non-current portion	873,066,000	498,518,000
Term Loan [Member]
Debt Instrument [Line Items]
Total debt	700,000,000	385,000,000
Non-current portion	665,000,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	208,000,000	177,300,000
Non-current portion	208,000,000
Promissory Notes And Other [Member]
Debt Instrument [Line Items]
Total debt	$ 3,158,000	$ 2,136,000