XML 68 R55.htm IDEA: XBRL DOCUMENT
v3.22.1

Significant Accounting Policies, Disposition of Previously-Closed Facility (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Disposition of Previously-Closed Facility [Abstract] |  |  |
Proceeds from disposition of assets | $ (7.6) | $ 0.7 | $ 6.2
Previously-Closed Manufacturing Facility [Member] |  |  |
Disposition of Previously-Closed Facility [Abstract] |  |  |
Proceeds from disposition of assets | 0.7 |  |
Previously-Closed Manufacturing Facility [Member] | CIS [Member] |  |  |
Disposition of Previously-Closed Facility [Abstract] |  |  |
Impairment charges | $ 0.3 |  |

X
- Definition The net cash outflow or inflow from disposals of property, plant and equipment and other productive assets, including intangibles. + References No definition available. + Details
Name: | mod_PaymentsForProceedsFromDispositionOfAssets
Namespace Prefix: | mod_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2611-110228 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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