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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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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The percentage rate used to calculate dividend payments on preferred stock.

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Value of all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by shareholders, which is net of related treasury stock. May be all or a portion of the number of preferred shares authorized. These shares represent the ownership interest of the preferred shareholders.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Investments (Details) - USD ($) $ in Millions	Feb. 25, 2021	Mar. 31, 2022	Dec. 31, 2021
Fine Chemistry Services
Schedule of Investments [Line Items]
Preferred Stock, Value, Outstanding	$ 270.0	$ 247.1	$ 246.5
Preferred Stock, Dividend Rate, Percentage	12.00%
Windfield Holdings
Schedule of Investments [Line Items]
Equity method investment, ownership percentage		49.00%
Carrying value of unconsolidated investment		$ 499.8	462.3
Other variable interest entities
Schedule of Investments [Line Items]
Carrying value of unconsolidated investment		$ 8.0	$ 8.0