Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jan. 01, 2023	Apr. 03, 2022
Assets, Current [Abstract]
Cash and cash equivalents	$ 6,146	$ 3,496
Trade accounts receivables, net	125,471	122,826
Inventories	101,581	94,985
Prepaid expenses and other current assets	7,050	6,431
Total current assets	240,248	227,738
Property, Plant and Equipment [Abstract]
PROPERTY, PLANT, AND EQUIPMENT:	333,781	304,055
Less accumulated depreciation	155,406	142,209
Net property, plant, and equipment	178,375	161,846
Other Assets [Abstract]
Right-of-use assets	10,551	10,606
Goodwill	77,401	77,401
Intangible assets, net of accumulated amortization	74,946	80,193
Deferred compensation plan asset	6,987	6,783
Other	5,496	2,761
Total other assets	175,381	177,744
Total assets	594,004	567,328
Liabilities, Current [Abstract]
Accounts payable — trade	50,573	66,693
Accrued payroll and employee benefits	16,320	19,034
Income tax payable	1,801	39
Current portion of long-term debt	9,913	9,913
Short-term lease liability	1,689	1,657
Other current liabilities	4,584	4,130
Total current liabilities	84,880	101,466
LONG-TERM DEBT, LESS CURRENT PORTION	120,710	115,644
LONG-TERM LEASE LIABILITY	9,082	9,143
PENSION WITHDRAWAL LIABILITY	4,004	4,276
DEFERRED INCOME TAXES	24,297	23,422
DEFERRED COMPENSATION LIABILITY	8,384	8,402
OTHER LONG-TERM LIABILITIES	1,487	2,374
Total liabilities	252,844	264,727
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY:
Common stock; authorized: 60,000,000 shares of $0.01 par value; 20,850,454 and 20,889,777 shares issued and outstanding as of January 1, 2023 and April 3, 2022, respectively	209	209
Additional paid-in capital	43,388	46,717
Retained earnings	293,969	254,384
Accumulated other comprehensive income	3,594	1,291
Total shareholders’ equity	341,160	302,601
Total liabilities and shareholders’ equity	$ 594,004	$ 567,328