LEASES (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Mar. 28, 2020
Lessee, Lease, Description [Line Items]
Property, plant and equipment, net	$ 240,405	$ 253,399
Manufacturing Space [Member]
Lessee, Lease, Description [Line Items]
Lease term	15 years 6 months 30 days
Renewal term	5 years
Operating Lease, Right-of-Use Asset	$ 11,300
Operating Lease, Liability	15,400
Property, plant and equipment, net	$ 4,100
Manufacturing Space, Second Renewal Term [Member]
Lessee, Lease, Description [Line Items]
Renewal term	4 years