Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 27, 2026	Mar. 31, 2026	Jun. 28, 2025
Current assets:
Cash and cash equivalents	$ 86,921	$ 49,919	$ 12,072
Accounts receivable, net of allowance for credit losses of $85, $67 and $53, respectively	90,831	109,298	99,817
Inventories	601,407	613,913	614,435
Refundable income taxes	427	2,696	506
Other current assets	4,641	3,301	5,485
Total current assets	784,227	779,127	732,315
Property, plant and equipment, net	340,771	331,280	325,492
Right-of-use assets operating, net	17,911	18,792	10,953
Right-of-use assets finance, net	6,192	6,843	12,318
Pension assets	110,008	108,142	76,316
Other assets	3,661	3,574	1,950
Total assets	1,262,770	1,247,758	1,159,344
Current liabilities:
Accounts payable	122,051	63,764	85,755
Deferred revenue	2,040	3,965	8,313
Accrued vacation	13,467	13,467	13,220
Accrued payroll	12,129	20,756	11,587
Income taxes payable	4,346	305	6,251
Other accrued expenses	29,042	26,411	28,801
Current portion of long-term debt, finance and lease obligations	25,101	25,259	24,419
Total current liabilities	208,176	153,927	178,346
Operating lease obligations	12,728	14,343	6,997
Finance lease obligations	3,139	3,715	7,559
Deferred income tax liability, net	49,716	49,660	32,517
Other liabilities	15,277	16,191	13,517
Total liabilities	488,314	491,528	515,172
Commitments and Contingencies
Stockholders' equity:
Preferred stock	331	331	346
Common stock	3,052	3,052	3,051
Additional paid-in capital	105,270	105,142	102,426
Treasury stock, at cost	(227,424)	(226,074)	(214,443)
Stock Employee Compensation Trust	(47)	0	0
Accumulated other comprehensive income (loss)	13,373	13,373	(7,836)
Retained earnings	879,901	860,406	760,628
Total stockholders' equity	774,456	756,230	644,172
Total liabilities and stockholders’ equity	1,262,770	1,247,758	1,159,344
Long Term Debt Excluding Finance Obligation [Member]
Current liabilities:
Long-term debt	185,363	239,056	259,497
Can Manufacturing Finance Obligation [Member]
Current liabilities:
Long-term debt	$ 13,915	$ 14,636	$ 16,739

Amount of stock employee compensation trust.

No definition available.

Name:	senea_StockEmployeeCompensationTrust
Namespace Prefix:	senea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).