Number of automotive businesses sold.

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Amount before tax of unrecognized net actuarial losses (gains) written off related to the disposal of businesses.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Acquisitions and Dispositions, Germany Automotive Businesses Held for Sale (Details) € in Millions, $ in Millions		6 Months Ended	12 Months Ended
	Oct. 31, 2023 item	Sep. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($) item	Mar. 31, 2023 USD ($)	Dec. 31, 2024 EUR (€)
Disposition of Germany Automotive Businesses [Abstract]
Number of automotive businesses sold \| item	3			3
Gain on sale of businesses			$ 0.0	$ 4.0	$ 0.0
Write-off of net actuarial gains				0.6
Three Germany Automotive Businesses [Member]
Disposition of Germany Automotive Businesses [Abstract]
Number of automotive businesses sold \| item	3
Gain on sale of businesses				4.0
Write-off of net actuarial gains				0.6
Net sales of disposal group				$ 54.2	$ 79.0
Pending disposition of facilities in germany \| Held for Sale
Disposition of Germany Automotive Businesses [Abstract]
Net transaction price for sale of disposal group			12.4			€ 11.5
Related assets expected			$ 8.2
Pending disposition of facilities in germany \| Forecast \| Held for Sale
Disposition of Germany Automotive Businesses [Abstract]
Net of costs to sell		$ 3.0