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Supplemental Disclosure of Cash Flow Items	12 Months Ended
Supplemental Disclosure of Cash Flow Items	Sep. 30, 2016
Supplemental Cash Flow Information [Abstract]
Supplemental Disclosure of Cash Flow Items	Supplemental Disclosure of Cash Flow Items Cash paid by the Company for interest was $1,029, $966 and $1,163 for the years ended September 30, 2016, 2015 and 2014, respectively. Cash paid by the Company for income taxes was $9,764, $7,172 and $8,966 for the years ended September 30, 2016, 2015 and 2014, respectively. In conjunction with the Company's fiscal 2015, 2014 and 2013 incentive compensation (bonus) payments, non-cash stock awards of 22,664, 24,827 and 31,788 shares of the Company's common stock were issued, respectively. These non-cash stock awards were granted on December 11, 2015, December 11, 2014 and December 11, 2013 at an aggregate fair value of $556, $504 and $775, respectively.