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EARNINGS PER SHARE (“EPS”) (Details) - shares
3 Months Ended
Dec. 29, 2017
Dec. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Percentage of cash dividends on Class A common stock relative to Class B common stock 110.00%  
Non-Vested Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (shares) 46,776 95,068
Restricted Stock Units (RSUs)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (shares) 0 0