Debt, Commitments And Contingencies (Schedule Of Debt) (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2013	Dec. 28, 2012
Debt Instrument [Line Items]
Total debt	$ 920,439	$ 911,158
Less current portion of long-term debt	91,117	38,092
Non-current portion	829,322	873,066
Term Loan [Member]
Debt Instrument [Line Items]
Total debt	691,250	700,000
Non-current portion	656,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	226,000	208,000
Non-current portion	173,000
Promissory Notes And Other Debt [Member]
Debt Instrument [Line Items]
Total debt	3,189	3,158
Non-current portion	$ 100	$ 100