Additional proceeds from sale and collection of receivables.

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Excess tax benefit per share from financing activities

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Excess tax benefit per share from operating activities.

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Number of product.

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Significant accounting policies.

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The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.

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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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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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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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Amount of the effect of a change in accounting principle on operating profit or loss.

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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 of lessee's right to use underlying asset under operating lease.

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The percentage of FIFO (first in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

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The cash inflow associated with the proceeds from sale and collection of receivables during the period.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

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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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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Significant Accounting Policies - Additional Information (Details) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) Segment $ / shares	Dec. 31, 2017 USD ($) $ / shares	Dec. 31, 2016 USD ($)	Apr. 01, 2018
Significant Accounting Policies [Line Items]
Excess tax benefit from operating activities		$ 0.0	$ 0.0	$ 30.0
Excess tax benefit on stock options exercised		$ 0.0	0.0	30.0
Number of reportable segments \| Segment		3
Number of product		3
Additional proceed from sale of accounts receivable		$ 7.5
Proceed from sale of accounts receivable		112.9	105.4
Adjustments to reflect inventory at net realizable value		17.0	12.8
Percentage of inventory determined using FIFO					17.00%
Cumulative effect of pre-tax change in accounting principle of decrease to cost of goods sold	$ 4.0
Research and development expenses		89.7	70.8	$ 63.2
Operating leases, Right of Use Assets		55.0
Operating lease liabilities		57.0
Deferred rent		2.0
Deferred Income Taxes		576.4	561.2
Retained earnings		$ 3,832.6	3,479.0
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
ASU 2016-09
Significant Accounting Policies [Line Items]
Excess tax benefit from operating activities		$ 22.1	$ 15.1
Excess tax benefit per share from operating activities \| $ / shares		$ 0.08	$ 0.05
Excess tax benefit on stock options exercised		$ 22.1	$ 15.1
Excess tax benefit per share from financing activities \| $ / shares		$ 0.08	$ 0.05
Operating leases, Right of Use Assets		$ 107.0
Operating lease liabilities		109.0
ASC 840
Significant Accounting Policies [Line Items]
Operating leases, Right of Use Assets		52.0
Book value of property plant and equipment		35.0
Deferred Income Taxes		4.0
Retained earnings		$ 13.0
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%