Restructuring and Other Charges (Income) - Rollforward of Restructuring Reserves (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 14.6	$ 17.2
Changes in reserves	15.8	16.0
Cash payments	(14.3)	(18.6)
Other	0.3	0.0
Restructuring reserve, ending balance	16.4	14.6
Asset retirement obligation	30.7	35.7
DuPont Crop Restructuring
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	14.5	16.2
Changes in reserves	13.0	14.3
Cash payments	(14.2)	(15.9)
Other	0.3	(0.1)
Restructuring reserve, ending balance	13.6	14.5
Other workforce related and facility shutdowns
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0.1	1.0
Changes in reserves	2.8	1.7
Cash payments	(0.1)	(2.7)
Other	0.0	0.1
Restructuring reserve, ending balance	2.8	$ 0.1
Furadan product exit
Restructuring Reserve [Roll Forward]
Asset retirement obligation	$ 3.6

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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-Publisher FASB
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The increase (decrease) during the period in the carrying amount (including both current and noncurrent portions of the accrual) of the liability pertaining to the exit from or disposal of business activities or restructuring pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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-Section 50
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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