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Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance $ 460,317 $ 423,523 $ 446,582
Deferred pension and other post-retirement benefit costs (442) 191 (170)
Amortization of Deferred benefit costs (77) 86 (32)
One time effect of adoption of ASU 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income   (211)  
Currency translation adjustment 47 25 17
Balance 735,636 460,317 423,523
AOCI Attributable to Parent      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance (1,197) (1,288) (1,103)
Currency translation adjustment 47 25 17
Balance $ (1,669) $ (1,197) $ (1,288)