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Manufacturing Facility Fire and Insurance Recovery (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021
Insurance Recoveries [Abstract]
Insurance Deductible Expense		$ 1.0
Business interruption charges		13.7		$ 50.3
Insurance Recoveries Estimated		24.8		79.1
Proceeds from Insurance Settlement, Operating and Investing Activities	$ 11.1	51.1		62.2
Proceeds from Insurance Settlement, Operating Activities		28.0
Proceeds from Insurance Settlement, Investing Activities		23.1	$ 0.0
Gain (Loss) Related to Insurance Settlement		11.1
Loss Contingency, Receivable		$ 16.9		16.9
Tangible Asset Impairment Charges				$ 27.0

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Business interruption charges

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Insurance Deductible Expense

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Insurance Recoveries

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The amount recovered or recoverable from insurance. These amounts reduce costs and losses that are reported as a separate line item under operating expenses.

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Proceeds from Insurance Settlement, Operating and Investing Activities

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities.

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Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities.

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