Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Loss and Other Comprehensive Loss - Components of Other Comprehensive Income (Detail)

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Accumulated Other Comprehensive Loss and Other Comprehensive Loss - Components of Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Other Comprehensive Income $ 526 $ 1,947
Foreign Currency Translation Adjustments    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Other Comprehensive Income 395 1,816
Amortization of Prior Service Cost    
Reclassifications to General and Administrative Expense:    
Reclassifications to General and Administrative Expense 101 110
Amortization of Net Actuarial Losses    
Reclassifications to General and Administrative Expense:    
Reclassifications to General and Administrative Expense 101 91
Retirement Liability Adjustment    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Other Comprehensive Income 131 131
Reclassifications to General and Administrative Expense:    
Tax Benefit $ (71) $ (70)