Summary of Total Assets by Segment (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 29, 2019	Dec. 29, 2018
Segment Reporting Information [Line Items]
Document Period End Date	Jun. 29, 2019
Assets	$ (21,523.6)	$ (19,408.0)
Corporate assets
Segment Reporting Information [Line Items]
Assets	(535.1)	(748.7)
Continuing Operations [Member]
Segment Reporting Information [Line Items]
Assets	(22,058.7)	(20,156.7)
Continuing Operations [Member] | Tools & Storage [Member]
Segment Reporting Information [Line Items]
Assets	(14,081.0)	(13,122.6)
Continuing Operations [Member] | Securities Industry
Segment Reporting Information [Line Items]
Assets	(3,440.0)	(3,413.6)
Continuing Operations [Member] | Industrial Segment
Segment Reporting Information [Line Items]
Assets	$ (4,537.7)	$ (3,620.5)