Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2017 USD ($)
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 1,723.7
Goodwill Beginning Balance	6,694.0
Foreign currency translation	262.0
Goodwill Ending Balance	8,679.7
Tools & Storage [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	1,665.7
Goodwill Beginning Balance	3,247.8
Foreign currency translation	155.3
Goodwill Ending Balance	5,068.8
Industrial Segment
Goodwill [Line Items]
Goodwill, Acquired During Period	0.0
Goodwill Beginning Balance	2,007.0
Foreign currency translation	90.2
Goodwill Ending Balance	2,155.2
Securities Industry
Goodwill [Line Items]
Goodwill, Acquired During Period	58.0
Goodwill Beginning Balance	1,439.2
Foreign currency translation	16.5
Goodwill Ending Balance	1,455.7
Goodwill [Member]
Goodwill [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	$ 2,000.0