Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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The net amount as of the balance sheet date of the fair value of derivative assets and derivative liabilities that in accordance with the entity's accounting policy were offset against collateral under a master netting arrangement.

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No definition available.

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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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Nominal or face amount used to calculate payment on derivative.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount, after tax, of reclassification from accumulated other comprehensive income (AOCI) of gain (loss) from increase (decrease) in fair value of net investment hedge.

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Derivative Instruments, Hedging Activities and Fair Value - Narrative - New Enviri (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Foreign Currency Derivatives
Net asset (liability) offset against collateral	$ (0.3)	$ 1.2
Pre-tax net gains (losses) on certain loans designated as hedges of net investments in foreign subsidiaries		0.1	$ (0.6)
Long-term debt, fair value	1,566.4	1,588.3
Foreign currency exchange forward contracts
Foreign Currency Derivatives
Derivative, Notional Amount	639.0	614.3
Term Loan
Foreign Currency Derivatives
Principal amount	$ 300.0
Term Loan \| Term Loan Facility, Fixed-Rate \| Minimum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.06%
Term Loan \| Term Loan Facility, Fixed-Rate \| Maximum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.12%
Reported Value Measurement
Foreign Currency Derivatives
Long-term Debt	$ 1,567.0	1,592.4
New Enviri
Foreign Currency Derivatives
Net asset (liability) offset against collateral	0.3	1.2
Pre-tax net gains (losses) on certain loans designated as hedges of net investments in foreign subsidiaries		0.1	$ 0.6
Long-term debt, fair value	1,504.7	1,528.7
New Enviri \| Foreign currency exchange forward contracts
Foreign Currency Derivatives
Derivative, Notional Amount	639.0	614.3
New Enviri \| Term Loan
Foreign Currency Derivatives
Principal amount	$ 300.0
New Enviri \| Term Loan \| Term Loan Facility, Fixed-Rate \| Minimum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.06%
New Enviri \| Term Loan \| Term Loan Facility, Fixed-Rate \| Maximum
Foreign Currency Derivatives
Variable rate basis spread (as a percent)	3.12%
New Enviri \| Reported Value Measurement
Foreign Currency Derivatives
Long-term Debt	$ 1,505.3	$ 1,532.9