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Changes in Accumulated Other Comprehensive Income (Parenthetical) (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2022
Oct. 03, 2021
Oct. 02, 2022
Oct. 03, 2021
Dec. 31, 2021
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Amounts reclassified from accumulated other comprehensive income (loss), tax $ (11) $ (65) $ (46) $ (188)    
Foreign currency translation adjustments, tax   0   0 $ 0 $ 0
Unrealized (losses) gains on marketable securities, tax   1,208   1,208 1,055 1,910
Retirement plans prior service benefit, tax   (1,128)   (1,128) (1,128) (1,126)
Unrealized Gains on Cash Flow Hedges , tax   0   0 $ 0 $ 0
Foreign Currency Translation Reclassification Adjustments            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Other comprehensive income (loss) before reclassifications, tax     0 0    
Amounts reclassified from accumulated other comprehensive income (loss), tax     0 0    
Other comprehensive income (loss), tax     0 0    
Foreign currency translation adjustments, tax 0   0      
Unrealized (Losses) Gains on Marketable Securities            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Other comprehensive income (loss) before reclassifications, tax     (3,570) (516)    
Amounts reclassified from accumulated other comprehensive income (loss), tax (11) (65) 48 (186)    
Other comprehensive income (loss), tax     (3,522) (702)    
Unrealized (losses) gains on marketable securities, tax (2,467)   (2,467)      
Unrealized Gains on Cash Flow Hedges            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Other comprehensive income (loss) before reclassifications, tax     0 0    
Amounts reclassified from accumulated other comprehensive income (loss), tax     0 0    
Other comprehensive income (loss), tax     0 0    
Unrealized Gains on Cash Flow Hedges , tax 0   0      
Retirement Plans Prior Service Credit            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Other comprehensive income (loss) before reclassifications, tax     0 0    
Amounts reclassified from accumulated other comprehensive income (loss), tax 0 $ 0 (2) (2)    
Other comprehensive income (loss), tax     (2) $ (2)    
Retirement plans prior service benefit, tax $ (1,130)   $ (1,130)