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Business Segments (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 30, 2023 USD ($) segment | Dec. 31, 2022 USD ($) | Jan. 01, 2022 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Number of Business Segments | segment |  | 3 |  |
Capital expenditures for the year ended: | [1] | $ 555,480 | $ 391,309 | $ 274,126
Capital assets |  | 155,500 | 588,800 |
Fuel Ingredients [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Capital expenditures for the year ended: |  | $ 39,053 | $ 37,568 | $ 26,078
[1] | Excludes capital assets acquired by acquisition in fiscal 2023 and fiscal 2022 of approximately $155.5 million and $588.8 million, respectively.

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480060/805-50-25-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480027/805-50-30-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480027/805-50-30-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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