RETIREMENT PLANS (Narrative) (Details) - USD ($)	12 Months Ended
	Apr. 01, 2023	Apr. 02, 2022	Apr. 03, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit obligation, plan funded by company	$ 7,500,000	$ 9,600,000
Reinsurance contracts asset value	7,100,000	6,800,000
Accumulated benefit obligation	25,200,000	28,400,000
Amount expected to be amortized from accumulated other comprehensive loss in next fiscal year	400,000
Subsidiaries
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Company contributions	600,000	600,000	$ 700,000
Savings Plus Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Company contributions	6,900,000	6,300,000	4,900,000
401k Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Company contributions	$ 0	$ 0	$ 0