Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Intangible assets subject to amortization (finite-lived)
Gross	$ 1,311.8	$ 1,321.2
Accumulated Amortization	(489.1)	(476.7)
Net	822.7	844.5
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	1,610.2	1,620.6
Intangible assets, gross	2,922.0	2,941.8
Intangible assets net	2,432.9	2,465.1
Crop Protection Brands
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	1,259.0	1,259.0
Brands
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	340.1	350.3
In-process research & development
Intangible assets not subject to amortization (indefinite-lived)
Indefinite-lived intangible assets	11.1	11.3
Customer relationships
Intangible assets subject to amortization (finite-lived)
Gross	1,129.7	1,136.7
Accumulated Amortization	(425.9)	(414.2)
Net	703.8	722.5
Patents
Intangible assets subject to amortization (finite-lived)
Gross	1.8	1.8
Accumulated Amortization	(1.6)	(1.6)
Net	0.2	0.2
Brands
Intangible assets subject to amortization (finite-lived)
Gross	49.0	49.3
Accumulated Amortization	(13.1)	(12.9)
Net	35.9	36.4
Purchased and licensed technologies
Intangible assets subject to amortization (finite-lived)
Gross	129.0	131.1
Accumulated Amortization	(46.7)	(46.2)
Net	82.3	84.9
Other intangibles
Intangible assets subject to amortization (finite-lived)
Gross	2.3	2.3
Accumulated Amortization	(1.8)	(1.8)
Net	$ 0.5	$ 0.5

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