XML 96 R82.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 16 - Plant Restructuring (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Restructuring Charges, Total | $ 7,046 | $ 11,657
Impairment of Long-Lived Assets Held-for-use |  | 7,800
Employee Severance [Member] |  |
Restructuring Charges, Total | 1,229 | 1,508
Closing of Midwest and Northwest Plants [Member] |  |
Restructuring Charges, Total | 7,000 |
Restructuring Credit For Reduced Lease Liability | 1,900 |
Closing of Midwest and Northwest Plants [Member] | Lease Impairments [Member] |  |
Restructuring Charges, Total | 5,300 |
Closing of Midwest and Northwest Plants [Member] | Equipment Moves [Member] |  |
Restructuring Charges, Total | 2,400 |
Closing of Midwest and Northwest Plants [Member] | Employee Severance [Member] |  |
Restructuring Charges, Total | $ 1,200 |
Partial Closure of Midwest Plant [Member] |  |
Restructuring Charges, Total |  | 2,300
Partial Closure of Midwest Plant [Member] | Equipment Moves [Member] |  |
Restructuring Charges, Total |  | 1,800
Partial Closure of Midwest Plant [Member] | Employee Severance [Member] |  |
Restructuring Charges, Total |  | 500
Closing of Northeast Plant [Member] |  |
Restructuring Charges, Total |  | 1,300
Closing of Northeast Plant [Member] | Equipment Moves [Member] |  |
Restructuring Charges, Total |  | 800
Closing of Northeast Plant [Member] | Employee Severance [Member] |  |
Restructuring Charges, Total |  | 500
Partial Sale of Northwest Plant [Member] |  |
Restructuring Charges, Total |  | 300
Partial Sale of Northwest Plant [Member] | Equipment Moves [Member] |  |
Restructuring Charges, Total |  | 100
Partial Sale of Northwest Plant [Member] | Employee Severance [Member] |  |
Restructuring Charges, Total |  | $ 200

X
- Definition Represents information related to restructuring credit for reduced lease liability. + References No definition available. + Details
Name: | senea_RestructuringCreditForReducedLeaseLiability
Namespace Prefix: | senea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than 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=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: 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=121586364&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=senea_ClosingOfMidwestAndNorthwestPlantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=senea_LeaseImpairmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=senea_EquipmentMovesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=senea_PartialClosureOfMidwestPlantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=senea_ClosingOfNortheastPlantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=senea_PartialSaleOfNorthwestPlantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |