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Restructuring - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 02, 2022 | Jan. 03, 2021 | Dec. 29, 2019
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges included in SG&A expenses |  | $ 12.8 |
Professional & Industrial |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges included in SG&A expenses |  | 6.0 | $ 5.1
Science, Engineering & Technology |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges included in SG&A expenses |  | 0.6 | 0.4
Selling, General and Administrative Expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges included in SG&A expenses | $ 4.0 | $ 12.8 | $ 5.5

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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