Summary of Total Assets by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Dec. 29, 2018
Segment Reporting Information [Line Items]
Document Period End Date	Mar. 30, 2019
Assets	$ (21,460.3)	$ (19,408.0)
Corporate assets
Segment Reporting Information [Line Items]
Assets	(487.8)	(748.7)
Continuing Operations [Member]
Segment Reporting Information [Line Items]
Assets	(21,948.1)	(20,156.7)
Continuing Operations [Member] | Tools & Storage [Member]
Segment Reporting Information [Line Items]
Assets	(13,975.3)	(13,122.6)
Continuing Operations [Member] | Securities Industry
Segment Reporting Information [Line Items]
Assets	(3,473.0)	(3,413.6)
Continuing Operations [Member] | Industrial Segment
Segment Reporting Information [Line Items]
Assets	$ (4,499.8)	$ (3,620.5)