XML 84 R65.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Acquisitions and Dispositions, Automotive Business Previously Held for Sale (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Automotive Business Previously Held for Sale [Abstract] |  |  |
Net impairment reversal | $ 0.0 | $ 0.0 | $ (55.7)
Liquid-Cooled Automotive Business [Member] | Performance Technologies [Member] |  |  |
Automotive Business Previously Held for Sale [Abstract] |  |  |
Net impairment reversal |  |  | $ (56.0)

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-4 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationBalanceSheetDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mod_LiquidCooledAutomotiveBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=mod_PerformanceTechnologiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |