Debt, Commitments And Contingencies (Schedule Of Debt) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2013	Dec. 28, 2012
Debt Instrument [Line Items]
Total debt	$ 809,064	$ 911,158
Less current portion of long-term debt	105,202	38,092
Non-current portion	703,862	873,066
Term Loan [Member]
Debt Instrument [Line Items]
Total debt	673,750	700,000
Non-current portion	638,800
Promissory Notes And Other Debt [Member]
Debt Instrument [Line Items]
Total debt	8,314	3,158
Non-current portion	100	100
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	127,000	208,000
Non-current portion	$ 65,000