Condensed Consolidated Statements of Net Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018
Net sales	$ 392,971	$ 372,238	$ 1,027,898	$ 936,991
Costs and Expenses:
Cost of Product Sold	340,694	374,334	932,392	911,291
Selling, General and Administrative	19,986	19,389	53,936	55,432
Plant Restructuring Charge	793	1,396	6,745	2,279
Other Operating (Income) Loss	(1,617)	776	(8,618)	(3,498)
Total Costs and Expenses	359,856	395,895	984,455	965,504
Operating Income (Loss)	33,115	(23,657)	43,443	(28,513)
Other Income	(1,656)	(607)	(5,263)	(2,649)
Interest Expense, Net	2,690	3,864	9,183	11,587
Earnings (Loss) From Continuing Operations Before Income Taxes	32,081	(26,914)	39,523	(37,451)
Income Taxes (Benefit) From Continuing Operations	7,653	(6,874)	9,357	(9,617)
Earnings (Loss) From Continuing Operations	24,428	(20,040)	30,166	(27,834)
Earnings From Discontinued Operations (net of income taxes)	955	34,056	955	42,211
Net Earnings	$ 25,383	$ 14,016	$ 31,121	$ 14,377
Basic Earnings (Loss) per Common Share:
Continuing Operations (in dollars per share)	$ 2.65	$ (2.07)	$ 3.23	$ (2.86)
Discontinued Operations (in dollars per share)	0.10	3.52	0.10	4.34
Net Basic Earnings per Common Share (in dollars per share)	2.75	1.45	3.33	1.48
Diluted Earnings (Loss) per Common Share:
Continuing Operations (in dollars per share)	2.63	(2.07)	3.20	(2.86)
Discontinued Operations (in dollars per share)	0.10	3.50	0.10	4.31
Net Diluted Earnings per Common Share (in dollars per share)	$ 2.73	$ 1.43	$ 3.31	$ 1.45