BUSINESS SEGMENTS AND GEOGRAPHIC AREAS - Segment Net Sales and Profit (Detail) $ in Millions	3 Months Ended
Apr. 03, 2021 USD ($) segment	Mar. 28, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	3
Number of operating segments \| segment	3
Net sales	$ 4,197.1	$ 3,129.4
Corporate overhead	(75.7)	(48.9)
Other, net	(59.0)	(74.9)
Loss on sale of business	(1.0)	0.0
Restructuring charges	(2.3)	(3.9)
Interest expense	(47.5)	(59.7)
Interest income	2.9	10.1
Earnings before income taxes and equity interest	604.5	146.2
Operating Segments
Segment Reporting Information [Line Items]
Net sales	4,197.1	3,129.4
Segment profit	787.1	323.5
Tools & Storage \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	3,062.9	2,070.8
Segment profit	651.3	234.8
Industrial \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	657.7	590.7
Segment profit	101.2	67.8
Security \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	476.5	467.9
Segment profit	$ 34.6	$ 20.9

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount of noninterest expense classified as other.

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Amount of restructuring charges, remediation cost, and asset impairment loss.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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