FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Not Carried at Fair Value (Details) - USD ($) $ in Millions	Jun. 28, 2025	Dec. 28, 2024
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other investments	$ 2.0	$ 4.0
Long-term debt, including current portion	5,607.4	6,103.0
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other investments	1.9	3.9
Long-term debt, including current portion	$ 5,082.3	$ 5,548.8

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
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Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
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Reference 9: http://www.xbrl.org/2003/role/exampleRef
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-URI https://asc.fasb.org/1943274/2147482881/825-10-55-12

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

STANLEY BLACK & DECKER, INC. 10-Q