Plans Fair Value of Plan Assets by Asset Class (Detail) - USD ($) $ in Thousands	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Pension plans
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	$ 29,404	$ 28,090	$ 33,589
Short Term Investments And Cash
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	501	622
Common Stocks | International Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	2,401	2,788
Common Stocks | U.S. Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	4,425	4,956
Fixed Income Securities | US Treasury Securities
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets		14,975
Fixed Income Securities | Domestic Corporate Debt Securities
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	22,077	4,749
Level 1 | Pension plans
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	29,404	28,090
Level 1 | Short Term Investments And Cash
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	501	622
Level 1 | Common Stocks | International Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	2,401	2,788
Level 1 | Common Stocks | U.S. Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	4,425	4,956
Level 1 | Fixed Income Securities | US Treasury Securities
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets		14,975
Level 1 | Fixed Income Securities | Domestic Corporate Debt Securities
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	$ 22,077	$ 4,749