Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 27, 2025	Mar. 31, 2025	Dec. 28, 2024
Current assets:
Cash and cash equivalents	$ 33,314	$ 42,685	$ 5,306
Restricted cash	0	7,705	7,605
Accounts receivable, net of allowance for credit losses of $115, $75 and $71, respectively	93,121	96,330	70,829
Inventories	668,688	603,955	735,682
Refundable income taxes	1,167	672	360
Other current assets	5,004	4,307	3,321
Total current assets	801,294	755,654	823,103
Property, plant and equipment, net	321,634	324,768	324,305
Right-of-use assets operating, net	9,554	10,004	9,892
Right-of-use assets finance, net	9,417	13,224	14,128
Pension assets	78,837	75,733	52,403
Other assets	1,770	2,046	2,084
Total assets	1,222,506	1,181,429	1,225,915
Current liabilities:
Accounts payable	78,343	43,580	70,791
Deferred revenue	12,280	11,140	6,982
Accrued vacation	13,383	12,942	11,567
Accrued payroll	14,261	10,926	7,125
Income taxes payable	7,622	1,686	4,101
Other accrued expenses	34,896	28,592	36,730
Current portion of long-term debt, finance and lease obligations	23,698	105,692	106,569
Total current liabilities	184,483	214,558	243,865
Operating lease obligations	6,270	6,924	6,541
Finance lease obligations	6,124	8,377	9,210
Deferred income tax liability, net	38,922	32,282	23,154
Other liabilities	14,749	15,022	13,750
Total liabilities	508,643	548,406	613,093
Commitments and Contingencies
Stockholders' equity:
Preferred stock	331	346	346
Common stock	3,052	3,051	3,051
Additional paid-in capital	102,598	102,376	100,563
Treasury stock, at cost	(219,406)	(210,669)	(210,912)
Accumulated other comprehensive loss	(7,836)	(7,836)	(25,380)
Retained earnings	835,124	745,755	745,154
Total stockholders' equity	713,863	633,023	612,822
Total liabilities and stockholders’ equity	1,222,506	1,181,429	1,225,915
Long Term Debt Excluding Finance Obligation [Member]
Current liabilities:
Long-term debt	242,748	253,822	298,703
Can Manufacturing Finance Obligation [Member]
Current liabilities:
Long-term debt	$ 15,347	$ 17,421	$ 17,870