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Significant accounting policies.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Significant Accounting Policies - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) Segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Significant Accounting Policies [Line Items]
Number of reportable segments \| Segment	3
Number of product	3
Proceed from sale of accounts receivable	$ 144.2	$ 211.2	$ 181.2
Adjustments to reflect inventory at net realizable value	$ 52.5	46.0
Intangible assets, estimated useful life (years)	2 years
Sec 174 R&D Capitalization	$ 122.4	110.0	$ 105.2
Operating lease, right of use assets	186.0	162.6
Operating lease, liability	199.6	173.8
Property, Plant and Equipment, Net	927.7	761.1
Deferred Income Taxes	743.1	757.0
Retained earnings	$ 6,012.3	$ 5,524.6
Minimum
Significant Accounting Policies [Line Items]
Intangible assets, estimated useful life (years)	3 years
Minimum \| Building and Building Improvements
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	9 years
Minimum \| Machinery and Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Minimum \| Office Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Maximum
Significant Accounting Policies [Line Items]
Intangible assets, estimated useful life (years)	20 years
Maximum \| Software
Significant Accounting Policies [Line Items]
Intangible assets, estimated useful life (years)	10 years
Maximum \| Building and Building Improvements
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	40 years
Maximum \| Machinery and Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	20 years
Maximum \| Office Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years
Armand Products Company
Significant Accounting Policies [Line Items]
Percentage of ownership interest	50.00%	50.00%	50.00%
ArmaKleen Company
Significant Accounting Policies [Line Items]
Percentage of ownership interest	50.00%	50.00%	50.00%