Debt, Commitments And Contingencies (Schedule Of Debt) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2013	Dec. 28, 2012
Debt Instrument [Line Items]
Total debt	$ 899,187	$ 911,158
Less current portion of long-term debt	109,561	38,092
Non-current portion	789,626	873,066
Term Loan [Member]
Debt Instrument [Line Items]
Total debt	682,500	700,000
Non-current portion	647,500
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	212,000	208,000
Non-current portion	142,000
Promissory Notes And Other Debt [Member]
Debt Instrument [Line Items]
Total debt	4,687	3,158
Non-current portion	$ 100	$ 100