Annual report pursuant to Section 13 and 15(d)

Treasury Stock - Narrative (Details)

v3.21.2
Treasury Stock - Narrative (Details) - USD ($)
12 Months Ended
Oct. 03, 2018
Sep. 30, 2020
Sep. 30, 2019
Oct. 15, 2019
Oct. 10, 2019
May 31, 2017
Mar. 31, 2017
Stockholders Equity Note [Abstract]              
Number of shares authorized to be repurchased (up to)       7,000 7,000 2,000,000 5,000,000
Purchased (in shares)   7,000 752,234        
Purchased cost   $ 238,000 $ 25,576,000        
New shares issued (in shares) 752,234            
Shares issued (in dollars per share) $ 34.00            
Cost of shares $ 25,575,956