CREDIT FACILITIES - Long-term Debt Maturities (Details) - USD ($) $ in Thousands		3 Months Ended
		Dec. 28, 2018	Sep. 30, 2018
Debt Instrument [Line Items]
2019		$ 1,841
2020	[1]	1,136
2021		1,024
2022		16,866
Total debt, net		$ 20,867	$ 17,740
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maturity date		May 05, 2022

[1] Includes Revolver balance of $16.0 million at December 28, 2018. As more fully described in Note 14—Subsequent Events, effective as of January 9, 2019, the Company and M&T Bank entered into the Seventh Amendment to Fifth Amended and Restated Credit Facility Agreement (the “Seventh Amendment”), that amended the Credit Facility, as amended.