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v3.23.3

Note 14 - Restructuring - Restructuring Reserve (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Sep. 30, 2023 | Oct. 01, 2022
Balance | $ 117 | $ 0
Cash payments/write-offs | (266) | (108)
Balance | 0 | 0
First Quarter [Member] |  |
Charge to expense | 140 | 56
Second Quarter [Member] |  |
Charge to expense | 9 | 52
Employee Severance [Member] |  |
Balance | 117 | 0
Cash payments/write-offs | (75) | 0
Balance | 0 | 0
Employee Severance [Member] | First Quarter [Member] |  |
Charge to expense | (42) | 0
Employee Severance [Member] | Second Quarter [Member] |  |
Charge to expense | 0 | 0
Other Restructuring [Member] |  |
Balance | 0 | 0
Cash payments/write-offs | (191) | (108)
Balance | 0 | 0
Other Restructuring [Member] | First Quarter [Member] |  |
Charge to expense | 182 | 56
Other Restructuring [Member] | Second Quarter [Member] |  |
Charge to expense | $ 9 | $ 52

X
- Definition The net amount of cash payments made (write offs of liability) as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References No definition available. + Details
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Namespace Prefix: | senea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan, excluding business exit costs. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References No definition available. + Details
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Namespace Prefix: | senea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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Balance Type: | credit
Period Type: | instant

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |