Condensed Consolidated Statements of Net Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 30, 2023	Dec. 31, 2022
Net sales	$ 444,481	$ 473,254	$ 1,150,620	$ 1,178,289
Costs and expenses:
Cost of product sold	390,448	419,465	983,180	1,059,878
Selling, general and administrative	22,921	21,914	63,801	60,636
Plant restructuring	(42)	1,829	107	1,937
Other operating expense (income), net	392	229	(1,151)	(2,411)
Total costs and expenses	413,719	443,437	1,045,937	1,120,040
Operating income	30,762	29,817	104,683	58,249
Other income and expenses:
Other non-operating income	(1,825)	(2,017)	(4,500)	(5,070)
Interest expense, net	9,388	4,277	23,146	8,037
Earnings before income taxes	23,199	27,557	86,037	55,282
Income taxes	5,524	6,503	20,472	12,994
Net earnings	$ 17,675	$ 21,054	$ 65,565	$ 42,288
Earnings per share:
Basic (in dollars per share)	$ 2.47	$ 2.77	$ 8.86	$ 5.36
Diluted (in dollars per share)	$ 2.45	$ 2.74	$ 8.78	$ 5.31
Weighted average common shares outstanding:
Basic (in shares)	7,131	7,582	7,391	7,858
Diluted (in shares)	7,202	7,655	7,462	7,931