Annual report pursuant to Section 13 and 15(d)

Treasury Stock - Schedule of Treasury Stock Purchases (Details)

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Treasury Stock - Schedule of Treasury Stock Purchases (Details) - USD ($)
9 Months Ended 12 Months Ended
Jun. 29, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Stockholders' Equity Note [Abstract]        
Total Number of Shares Purchased (in shares)   72,266 104,145 78,446
Average Price Paid Per Share (in dollars per share)   $ 30.65 $ 29.42 $ 40.04
Total Shares Purchased as Part of Publicly Announced Plan or Program (in shares)   722,406 650,140 545,995
Total Dollar Value of Shares Purchased $ 1,676,443 $ 2,214,756 $ 3,064,000 $ 3,141,000