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Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Summary of Effects of Reclassifications from Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 03, 2016
Mar. 29, 2015
Amortization of pension and other postretirement benefit plan items:    
Net of tax $ 467 $ 848
Pension and Other Postretirement Benefit Plans [Member] | Reclassified from Accumulated Other Comprehensive Income (Loss) [Member]    
Amortization of pension and other postretirement benefit plan items:    
Actuarial losses 780  
Prior service credit (20)  
Total before tax 760  
Tax benefit (293)  
Net of tax $ 467