XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.21.1

Commitment and Contingencies - Total Settlement (Details) $ in Thousands | 27 Months Ended
--- | ---
Mar. 31, 2021 USD ($)
Loss Contingencies [Line Items] |
Proceeds directed to landlord | $ 3,640
Insurance recoveries | Insurance Settlement |
Loss Contingencies [Line Items] |
Property and damage | 20,364
Extra expense & mitigation expense | 4,404
Business interruption | 2,932
Total settlement amount | $ 27,700

X
- Definition Litigation Settlement, Business Interruption + References No definition available. + Details
Name: | sif_LitigationSettlementBusinessInterruption
Namespace Prefix: | sif_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Litigation Settlement, Insurance Proceeds Paid To Landlord + References No definition available. + Details
Name: | sif_LitigationSettlementInsuranceProceedsPaidToLandlord
Namespace Prefix: | sif_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Litigation Settlement, Property And Damage + References No definition available. + Details
Name: | sif_LitigationSettlementPropertyAndDamage
Namespace Prefix: | sif_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount awarded from other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessInterruptionLossAxis=sif_QualityAluminumForgeLLCManufacturingFacilityFireMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GainContingenciesByNatureAxis=us-gaap_InsuranceSettlementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |