Accumulated Other Comprehensive Income - Changes in Components of Accumulated Other Comprehensive Income Gains (Losses), Net of Tax (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning balance	$ 12,468.1
Stockholders equity, ending balance	12,756.5
Cash Flow Hedges [Member]
Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning balance	88.2
AOCI before reclassifications	(36.6)
Reclassifications to statements of earnings	(38.4)
Stockholders equity, ending balance	13.2
Foreign Currency Translation [Member]
Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning balance	(239.0)
AOCI before reclassifications	54.8
Stockholders equity, ending balance	(184.2)
Defined Benefit Plan Items [Member]
Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning balance	(112.0)
Reclassifications to statements of earnings	(0.8)
Stockholders equity, ending balance	(112.8)
Total AOCI [Member]
Other Comprehensive Income Loss [Line Items]
Stockholders equity, beginning balance	(262.8)
AOCI before reclassifications	18.2
Reclassifications to statements of earnings	(39.2)
Stockholders equity, ending balance	$ (283.8)