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Commitments and Contingent Liabilities - Environmental - Narrative (Details) $ in Thousands, € in Millions		1 Months Ended						3 Months Ended			12 Months Ended
	Aug. 01, 2025	Oct. 31, 2025 USD ($)	May 31, 2025 EUR (€)	Dec. 31, 2024 USD ($)	Nov. 30, 2024 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2019 USD ($) Lawsuit	Mar. 31, 2026 USD ($) Lawsuit Owner	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Feb. 28, 2025 EUR (€)	Dec. 31, 2024 EUR (€)	Sep. 30, 2024 USD ($)	Oct. 31, 2020 Lawsuit	Sep. 30, 2020 Lawsuit
Environmental Remediation [Line Items]
Environmental remediation expense								$ 13,000		$ 10,000
Environmental Remediation Expense, before Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration]								Restructuring Charges Asset Related And Other Charges		Restructuring Charges Asset Related And Other Charges
Civil penalty and investigative costs								$ 98,000			$ 99,000
Accrual for environmental remediation activities								$ 617,000			618,000
Number of lawsuits filed \| Lawsuit								16
Environmental liabilities indemnification maximum amount								$ 78,000
Obligation related to indemnification								$ 0			0
Indemnification expiration period								2026-12
Outstanding amount in escrow account														$ 50,000
Loss contingency accrual period decrease						$ 250		$ 25,000			26,000
Amount of penalty assessed for violation of F-gas regulation \| €												€ 1.0
Loss contingency, increase in accrual						$ 250		25,000			26,000
Environmental remediation expense								13,000		$ 10,000
Additional accrued environmental remediation									$ 60,000
Selling, general, and administrative expense								147,000		123,000
Increase in environmental and legal remediation reserves									$ 60,000
Surety bonds		$ 108,000
Letter decision reduction penalty percentage	200.00%
Amount of penalty for alleging infringement \| €			€ 1.0
Aggregate environmental and legal remediation-related liabilities								$ 166,000
Environmental and legal remediation, percentage discounted at risk free rate								5.00%
Environmental and legal remediation-related liabilities, gross								$ 264,000
Off-site Replacement Drinking Water Supplies [Member]
Environmental Remediation [Line Items]
Accrued for operation, maintenance, and monitoring period								20 years
Accrual for environmental remediation activities								$ 123,000			124,000
Disbursements period								20 years
Assessment And Sampling Drinking Water Supplies [Member]
Environmental Remediation [Line Items]
Accrual for environmental remediation activities								$ 19,000			20,000
On-site Surface Water and Groundwater Remediation [Member]
Environmental Remediation [Line Items]
Estimated cost of remediation								$ 174,000			176,000
OM&M projected paid period								20 years
PFAS Matters [Member]
Environmental Remediation [Line Items]
Civil penalty and investigative costs					$ 100,000		$ 13,000
Number of lawsuits filed \| Lawsuit							4
PFOA [Member]
Environmental Remediation [Line Items]
Number of lawsuits filed \| Lawsuit															2	3
Compensatory and Punitive Damages [Member]
Environmental Remediation [Line Items]
Number of private well owners seeking for damages \| Owner								2,600
Number of lawsuits filed \| Lawsuit								2
Fayetteville Works, Fayetteville, North Carolina [Member]
Environmental Remediation [Line Items]
Environmental remediation expense								$ 4,000		4,000
Accrual for environmental remediation activities								316,000			$ 320,000
Environmental remediation expense								$ 4,000		$ 4,000
Fayetteville Works, Fayetteville, North Carolina [Member] \| Groundwater Extraction And Treatment System [Member] \| On-site Surface Water and Groundwater Remediation [Member]
Environmental Remediation [Line Items]
Accrued for operation, maintenance, and monitoring period								20 years
Estimated operation starting year								2023
Fayetteville Works, Fayetteville, North Carolina [Member] \| PFAS Matters [Member]
Environmental Remediation [Line Items]
Percentage of efficiency to control PFAS								99.99%
Reduction of PFAS maximum period								2 years
Percentage of baseline								75.00%
Minimum [Member]
Environmental Remediation [Line Items]
Average time frame of disbursements of environmental site remediation								15 years
Remediation funding source								$ 177,000
Maximum [Member]
Environmental Remediation [Line Items]
Average time frame of disbursements of environmental site remediation								20 years
Loss contingency, potential additional loss								$ 630,000
Conditional fine per violation \| €													€ 3.7
Civil penalties on violation				$ 100
Incurred indemnification costs								1,000
Remediation funding source								$ 1,048,000