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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 |

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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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