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Benefit Plans - Changes in Projected Benefit Obligation (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Defined Benefit Plan Disclosure [Line Items]      
Benefit obligation at end of year $ 226,265 $ 280,099  
Pension Plans [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Benefit obligation at beginning of year 280,099 244,990  
Service cost 121 105 96
Interest cost 12,014 12,451 12,340
Actuarial (gain)/loss (29,862) 29,673  
Benefits paid (43,499) (7,120)  
Voluntary pension settlement 7,221 0  
Change in plan amendments 171 0  
Benefit obligation at end of year $ 226,265 $ 280,099 $ 244,990