SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Employee performance-based restricted stock activity) (Details) - Performance-based restricted stock - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of shares, Restricted stock outstanding, beginning balance (in shares)	57	57	57
Number of shares, Granted (in shares)	0	0	0
Number of shares, Forfeited or expired (in shares)	(29)
Number of shares, Restricted stock outstanding, ending balance (in shares)	0	57	57	57
Unrecognized compensation expense	$ 0	$ 285	$ 419	$ 550
Average remaining service period (in years)	0 years	2 years 2 months	3 years 2 months	4 years 2 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	(28)