LEASES (Details) - USD ($)	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating Lease, Right-of-Use Asset	$ 17,568,000	$ 18,474	$ 19,099	$ 20,279	$ 0
Total assets	304,861,000	291,530	278,193	285,350	238,310,000
Operating lease liabilities	12,624,000	13,454	14,093	15,108	0
Total long-term liabilities	$ 77,085,000	178,590	161,386	170,212	$ 30,447,000
Revision of Prior Period, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating Lease, Right-of-Use Asset		3,127	4,223	4,223
Total assets		3,127	4,223	4,223
Operating lease liabilities		3,127	4,223	4,223
Total long-term liabilities		3,127	4,223	4,223
Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating Lease, Right-of-Use Asset		15,347	14,876	16,056
Total assets		288,403	273,970	281,127
Operating lease liabilities		10,327	9,870	10,885
Total long-term liabilities		$ 175,463	$ 157,163	$ 165,989