Accumulated Other Comprehensive Income - Reclassification Adjustments from Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Comprehensive Income Loss [Line Items]
Cost of products sold	$ 635.2	$ 284.9
Earnings before income taxes	154.8	226.8
(Benefit) provision for income taxes	49.0	55.7
Reclassification out of Accumulated Other Comprehensive Income [Member]
Other Comprehensive Income Loss [Line Items]
Net of tax	22.4	17.7
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member]
Other Comprehensive Income Loss [Line Items]
Earnings before income taxes	31.7	28.0
(Benefit) provision for income taxes	7.3	6.4
Net of tax	24.4	21.6
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] | Foreign Exchange Forward Contracts [Member]
Other Comprehensive Income Loss [Line Items]
Cost of products sold	32.1	28.1
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] | Forward Starting Interest Rate Swaps [Member]
Other Comprehensive Income Loss [Line Items]
Interest expenses	(0.4)	(0.1)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Defined Benefit Plan Items [Member]
Other Comprehensive Income Loss [Line Items]
Prior service cost	1.9	1.1
Unrecognized actuarial (loss)	(5.0)	(4.3)
Earnings before income taxes	(3.1)	(3.2)
(Benefit) provision for income taxes	(1.1)	0.7
Net of tax	$ (2.0)	$ (3.9)