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Restructuring Activities - Narratives (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Jul. 17, 2020 a
Restructuring Cost and Reserve
Restructuring costs	$ 0.7	$ 5.2
Facility In Beasley, Texas
Restructuring Cost and Reserve
Area of land (acres) | a			260
Lease facility in Tulsa, Oklahoma | Facility Closing
Restructuring Cost and Reserve
Restructuring costs	2.7
Lease facility in Tulsa, Oklahoma | Facility Closing | Scenario, Plan
Restructuring Cost and Reserve
Restructuring costs	$ 9.0

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Area of land held.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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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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