Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	9 Months Ended
	Sep. 28, 2019 USD ($)
Goodwill [Line Items]
Goodwill, Written off Related to Sale of Business Unit	$ 33.8
Goodwill, Acquired During Period	327.2
Goodwill Beginning Balance	8,956.7
Foreign currency translation	(123.9)
Goodwill Ending Balance	9,160.0
Tools & Storage [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	(1.3)
Goodwill Beginning Balance	5,154.3
Foreign currency translation	(41.8)
Goodwill Ending Balance	5,111.2
Industrial Segment
Goodwill [Line Items]
Goodwill, Acquired During Period	323.8
Goodwill Beginning Balance	1,679.7
Foreign currency translation	(2.9)
Goodwill Ending Balance	2,000.6
Securities Industry
Goodwill [Line Items]
Goodwill, Acquired During Period	4.7
Goodwill Beginning Balance	2,122.7
Foreign currency translation	(79.2)
Goodwill Ending Balance	$ 2,048.2