Segments - Additional Information (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Segment	Jun. 30, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| Segment			3
Equity in earnings of affiliates	$ 2.0	$ 1.7	$ 3.6	$ 3.4
Armand Products Company
Segment Reporting Information [Line Items]
Percentage of ownership interest	50.00%	50.00%	50.00%	50.00%
ArmaKleen Company
Segment Reporting Information [Line Items]
Percentage of ownership interest	50.00%	50.00%	50.00%	50.00%
Armand Products Company and ArmaKleen Company
Segment Reporting Information [Line Items]
Equity in earnings of affiliates	$ 2.0	$ 1.7	$ 3.6	$ 3.4

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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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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