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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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