Summary of Total Assets by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Dec. 30, 2017
Segment Reporting Information [Line Items]
Document Period End Date	Mar. 31, 2018
Assets	$ (19,683.2)	$ (19,097.7)
Segment, Continuing Operations
Segment Reporting Information [Line Items]
Assets	(20,169.5)	(19,637.7)
Segment, Continuing Operations | Tools & Storage [Member]
Segment Reporting Information [Line Items]
Assets	(13,343.7)	(12,817.5)
Segment, Continuing Operations | Securities Industry
Segment Reporting Information [Line Items]
Assets	(3,434.5)	(3,406.9)
Segment, Continuing Operations | Industrial Segment
Segment Reporting Information [Line Items]
Assets	(3,391.3)	(3,413.3)
Segment, Continuing Operations | Corporate assets
Segment Reporting Information [Line Items]
Assets	$ (486.3)	$ (540.0)