INCOME PER SHARE OF COMMON STOCK	9 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]
Earnings Per Share [Text Block]	11. INCOME PER SHARE OF COMMON STOCK Net income per share is calculated on the basis of the weighted average number of common shares outstanding during each period plus, for diluted net income per share, the additional dilutive effect of potential common stock. Potential common stock using the treasury stock method consists of dilutive stock options. For the 13 and 39 week periods ended June 30, 2018, the treasury stock impact of options to purchase 35,000, 154,300 and 190,500 shares of common stock at exercise prices of $12.04, $14.40 and $22.50 per share, respectively, were included in diluted earnings per share. For the 13 and 39 week periods ended July 1, 2017, the treasury stock impact of options to purchase 66,000, 158,800 and 199,500 shares of common stock at exercise prices of $12.04, $14.40 and $22.50 per share, respectively, were included in diluted earnings per share.

INCOME PER SHARE OF COMMON STOCK

9 Months Ended

Jun. 30, 2018

11. INCOME PER SHARE OF COMMON STOCK

Net income per share is calculated on the basis of the weighted average number of common shares outstanding during each period plus, for diluted net income per share, the additional dilutive effect of potential common stock. Potential common stock using the treasury stock method consists of dilutive stock options.

For the 13 and 39 week periods ended June 30, 2018, the treasury stock impact of options to purchase 35,000, 154,300 and 190,500 shares of common stock at exercise prices of $12.04, $14.40 and $22.50 per share, respectively, were included in diluted earnings per share.

For the 13 and 39 week periods ended July 1, 2017, the treasury stock impact of options to purchase 66,000, 158,800 and 199,500 shares of common stock at exercise prices of $12.04, $14.40 and $22.50 per share, respectively, were included in diluted earnings per share.