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Stock and Other Compensation Plans (Table)
 12 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity
The following summarizes information regarding the restricted stock units granted under the plan during the fiscal years ended September 30, 2021, 2020 and 2019:
 202120202019
 Number of
Restricted
Units		Weighted
Average
Grant-Date
Fair
Value		Number of
Restricted
Units		Weighted
Average
Grant-Date
Fair
Value		Number of
Restricted
Units		Weighted
Average
Grant-Date
Fair
Value
Nonvested at beginning of year443,279 $99.28 503,072 $91.66 538,592 $80.91 
Granted223,954 102.68 199,985 102.34 241,472 98.25 
Vested(271,435)97.44 (242,975)85.66 (269,347)76.71 
Forfeited(17,671)101.48 (16,803)96.87 (7,645)86.37 
Nonvested at end of year378,127 $102.45 443,279 $99.28 503,072 $91.66