Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jul. 02, 2023	Apr. 02, 2023
Assets, Current [Abstract]
Cash and cash equivalents	$ 7,050	$ 7,566
Trade accounts receivables, net	138,340	129,252
Inventories	76,938	88,777
Prepaid expenses and other current assets	4,127	6,449
Total current assets	226,455	232,044
Property, Plant and Equipment [Abstract]
PROPERTY, PLANT, AND EQUIPMENT:	354,001	344,753
Less accumulated depreciation	163,379	158,950
Net property, plant, and equipment	190,622	185,803
Other Assets [Abstract]
Right-of-use assets	11,324	10,199
Goodwill	77,401	77,401
Intangible assets, net of accumulated amortization	71,391	73,060
Deferred compensation plan asset	9,130	7,367
Other	5,640	4,661
Total other assets	174,886	172,688
Total assets	591,963	590,535
Liabilities, Current [Abstract]
Accounts payable — trade	55,598	53,705
Accrued payroll and employee benefits	10,690	17,279
Income tax payable	11,584	3,329
Current portion of long-term debt	9,913	9,913
Other current liabilities	6,518	6,645
Total current liabilities	94,303	90,871
LONG-TERM DEBT, LESS CURRENT PORTION	78,353	101,731
LONG-TERM LEASE LIABILITY	9,597	8,687
PENSION WITHDRAWAL LIABILITY	3,819	3,912
DEFERRED INCOME TAXES	24,077	23,800
DEFERRED COMPENSATION LIABILITY	10,117	9,343
OTHER LONG-TERM LIABILITIES	696	2,175
Total liabilities	220,962	240,519
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY:
Common stock; authorized: 60,000,000 shares of $0.01 par value; 20,942,857 and 20,850,454 shares issued and outstanding as of July 2, 2023 and April 2, 2023, respectively	209	209
Additional paid-in capital	44,409	44,443
Retained earnings	322,694	302,424
Accumulated other comprehensive income	3,689	2,940
Total shareholders’ equity	371,001	350,016
Total liabilities and shareholders’ equity	$ 591,963	$ 590,535