Number of single external customers who account for 10 percent or more of entity's revenues individually.

No definition available.

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- Definition

Number of top customers who accounted for majority portion of trade accounts receivables.

+ References

No definition available.

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 410
-SubTopic 30
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-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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- References

No definition available.

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- Definition

Increase (decrease) in the accrual for environmental loss contingencies during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References

No definition available.

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Risks, Uncertainties, Contingencies and Litigation (Details) $ in Millions	12 Months Ended
	Mar. 31, 2022 USD ($) Customer	Mar. 31, 2021 USD ($) Customer	Mar. 31, 2020 Customer
Environmental loss contingencies [Abstract]
Reserves for environmental matters \| $	$ 18.2	$ 16.0
Increase in remediation accrual related to former manufacturing facility \| $	$ 3.4
Sales [Member] \| Customer Concentration Risk [Member] \| Top Ten Customers [Member]
Credit Risk [Abstract]
Concentration risk, percentage	39.00%	43.00%	45.00%
Accounts Receivable [Member] \| Credit Concentration Risk [Member]
Credit Risk [Abstract]
Number of top customers \| Customer	10
Accounts Receivable [Member] \| Credit Concentration Risk [Member] \| Top Ten Customers [Member]
Credit Risk [Abstract]
Concentration risk, percentage	29.00%	35.00%
Vehicular [Member]
Credit Risk [Abstract]
Number of major customers \| Customer	0	1	1