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Summary of Total Assets by Segment (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 28, 2019	Dec. 29, 2018
Segment Reporting Information [Line Items]
Document Period End Date	Sep. 28, 2019
Assets	$ (21,322.5)	$ (19,408.0)
Corporate assets
Segment Reporting Information [Line Items]
Assets	(656.6)	(748.7)
Continuing Operations [Member]
Segment Reporting Information [Line Items]
Assets	(21,979.1)	(20,156.7)
Continuing Operations [Member] | Tools & Storage [Member]
Segment Reporting Information [Line Items]
Assets	(14,072.8)	(13,122.6)
Continuing Operations [Member] | Securities Industry
Segment Reporting Information [Line Items]
Assets	(3,401.2)	(3,413.6)
Continuing Operations [Member] | Industrial Segment
Segment Reporting Information [Line Items]
Assets	$ (4,505.1)	$ (3,620.5)

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- Definition

The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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