Plans Fair Value of Plan Assets by Asset Class (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Jan. 02, 2022	Jan. 01, 2022	Dec. 31, 2021	Jan. 02, 2021
Pension plans
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	$ 28,090	$ 33,589	$ 33,589	$ 33,589	$ 34,750
Short Term Investments And Cash
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	622			453
Common Stocks | International Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	2,788			4,708
Common Stocks | U.S. Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	4,956			8,177
Fixed Income Securities | US Treasury Securities
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	14,975			13,514
Fixed Income Securities | Domestic Corporate Debt Securities
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	4,749			6,737
Level 1 | Pension plans
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	28,090			33,589
Level 1 | Short Term Investments And Cash
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	622			453
Level 1 | Common Stocks | International Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	2,788			4,708
Level 1 | Common Stocks | U.S. Common Stocks
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	4,956			8,177
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			13,514
Level 1 | Fixed Income Securities | Domestic Corporate Debt Securities
Schedule of Pension Plan Assets by Fair Value [Line Items]
Fair value of plan assets	$ 4,749			$ 6,737