Summary of Total Assets by Segment (Detail) - USD ($) $ in Millions	Jul. 01, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Assets	$ (19,312.3)	$ (15,634.9)
Segment, Continuing Operations
Segment Reporting Information [Line Items]
Assets	(19,617.4)	(15,010.4)
Segment, Continuing Operations | Tools & Storage [Member]
Segment Reporting Information [Line Items]
Assets	(12,860.2)	(8,512.4)
Segment, Continuing Operations | Securities Industry
Segment Reporting Information [Line Items]
Assets	(3,249.0)	(3,139.0)
Segment, Continuing Operations | Industrial Segment
Segment Reporting Information [Line Items]
Assets	(3,508.2)	(3,359.0)
Segment, Continuing Operations | Corporate assets
Segment Reporting Information [Line Items]
Assets	(305.1)	101.1
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Assets	$ 0.0	$ (523.4)