XML 149 R117.htm IDEA: XBRL DOCUMENT v2.4.0.8
Benefits Expected to be Paid from Plans Assets (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Net Periodic Pension Cost
     
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]      
Benefits paid $ 25,494 $ 24,884 $ 20,921
2014 26,002    
2015 26,265    
2016 26,690    
2017 27,085    
2018 27,589    
2019 - 2023 144,442    
Net Periodic Postretirement Benefit Cost
     
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]      
Benefits paid 1,316 1,366  
Federal subsidy on benefits paid (52) (52)  
Net Periodic Postretirement Benefit Cost | Employer Gross Contribution
     
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]      
Benefits paid 952 1,010 919
2014 883    
2015 939    
2016 975    
2017 1,013    
2018 1,023    
2019 - 2023 4,435    
Net Periodic Postretirement Benefit Cost | MMA Subsidy (Income)
     
Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items]      
Federal subsidy on benefits paid (52) (52) (66)
2014       
2015       
2016       
2017       
2018       
2019 - 2023