Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jul. 03, 2022	Apr. 03, 2022
Assets, Current [Abstract]
Cash and cash equivalents	$ 5,995	$ 3,496
Trade accounts receivables, net	138,775	122,826
Inventories	104,988	94,985
Prepaid expenses and other current assets	3,864	6,431
Total current assets	253,622	227,738
Property, Plant and Equipment [Abstract]
PROPERTY, PLANT, AND EQUIPMENT:	313,186	304,055
Less accumulated depreciation	146,739	142,209
Net property, plant, and equipment	166,447	161,846
Other Assets [Abstract]
Right-of-use assets	9,976	10,606
Goodwill	77,401	77,401
Intangible assets, net of accumulated amortization	78,435	80,193
Deferred compensation plan asset	7,285	6,783
Other	3,238	2,761
Total other assets	176,335	177,744
Total assets	596,404	567,328
Liabilities, Current [Abstract]
Accounts payable — trade	56,376	66,693
Accrued payroll and employee benefits	9,658	19,034
Income tax payable	6,684	39
Current portion of long-term debt	9,913	9,913
Short-term lease liability	1,456	1,657
Container deposits	1,557	1,558
Other current liabilities	2,519	2,572
Total current liabilities	88,163	101,466
LONG-TERM DEBT, LESS CURRENT PORTION	149,166	115,644
LONG-TERM LEASE LIABILITY	8,665	9,143
PENSION WITHDRAWAL LIABILITY	4,186	4,276
DEFERRED INCOME TAXES	23,594	23,422
DEFERRED COMPENSATION LIABILITY	8,082	8,402
OTHER LONG-TERM LIABILITIES	1,271	2,374
Total liabilities	283,127	264,727
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY:
Common stock; authorized: 60,000,000 shares of $0.01 par value; 20,807,338 and 20,889,777 shares issued and outstanding as of July 3, 2022 and April 3, 2022, respectively	208	209
Additional paid-in capital	40,192	46,717
Retained earnings	271,121	254,384
Accumulated Other Comprehensive Income (Loss), Net of Tax	1,756	1,291
Total shareholders’ equity	313,277	302,601
Total liabilities and shareholders’ equity	$ 596,404	$ 567,328