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Stock-based Compensation Plans (Schedule of Shared-Based Compensation, Performance Units (Details) - $ / shares
 3 Months Ended 12 Months Ended
Nov. 29, 2022
Nov. 30, 2021
Jan. 27, 2021
Dec. 02, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2027
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period                               62,396      
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity                          
Restricted stock unit activity under the 2006 Plan is summarized below.

Restricted stock unitsWeighted
average
grant date fair value per unit		Weighted
average
remaining
contractual
term (years)		Aggregate
intrinsic
value
  (millions)  
Outstanding at September 30, 2020408,506 $11.41 0.9
Granted220,795 12.29 
Vested(228,121)11.62 $2.8 
Cancelled(5,083)11.41 
Outstanding at September 30, 2021396,097 11.78 0.8
Granted223,379 13.41 
Vested(251,981)11.81 $2.8 
Cancelled(8,763)11.87 
Outstanding at September 30, 2022358,732 12.77 0.7
Granted625,518 12.78 
Vested(301,864)12.83 $7.3 
Cancelled(109,103)12.00 
Outstanding at September 30, 2023573,283 $12.88 0.9
          
Performance Shares [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period                           193,428 160,163        
Settlement of performance-based restricted stock units, net of shares withheld for taxes                           2 240,412,000,000 103,058,000,000      
Market Based Performance Shares Member                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 166,284 230,089 4,187 234,199                              
Dividend yield 2.20% 1.70% 1.84% 1.77%                              
Risk-free interest rate 4.20% 0.76% 0.16% 0.21%                              
Expected life (years) 2 years 9 months 29 days 2 years 9 months 29 days 2 years 8 months 1 day 2 years 9 months 29 days                              
Granted, Weighted average grant date fair value per share $ 15.08 $ 15.76 $ 14.26 $ 15.39                              
Share-based Payment Arrangement, Tranche One [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period             57,092                        
2017 member [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value                                 $ 10.53 $ 12.50 $ 13.26
2017 member [Member] | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                     100.00%
Settlement of performance-based restricted stock units, net of shares withheld for taxes                             54,006        
2017 member [Member] | Share-based Payment Arrangement, Tranche One [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                 59,285                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                                   (5,279)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                                   54,006  
2017 member [Member] | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                   135.70%  
Settlement of performance-based restricted stock units, net of shares withheld for taxes                             26,294        
2017 member [Member] | Share-based Payment Arrangement, Tranche Two [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                 59,286                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                                 (39,910)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                                 19,376    
2017 member [Member] | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                 64.50%    
Settlement of performance-based restricted stock units, net of shares withheld for taxes                             12,501        
2017 member [Member] | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                 59,290                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                               (39,909)      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                               19,381      
January 23, 2017 [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value                                     $ 13.15
January 23, 2017 [Member] | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                     100.00%
Settlement of performance-based restricted stock units, net of shares withheld for taxes                             19,012        
January 23, 2017 [Member] | Share-based Payment Arrangement, Tranche One [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period               19,012                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                                   0  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                                   19,012  
January 23, 2017 [Member] | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                   135.70%  
Settlement of performance-based restricted stock units, net of shares withheld for taxes                             25,798        
January 23, 2017 [Member] | Share-based Payment Arrangement, Tranche Two [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period               19,011                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                               0 0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                               19,011 19,011    
January 23, 2017 [Member] | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                 64.50%    
Settlement of performance-based restricted stock units, net of shares withheld for taxes                             12,263        
January 23, 2017 [Member] | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period               19,011                      
November 28, 2017 [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value                               $ 11.26 $ 10.53 $ 12.50  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                             35,425 52,299      
November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                   135.70%  
November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche One [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                                 0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                                 57,092    
November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                                 64.50%    
November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche Two [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period             57,092                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                               (4,793)      
November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Performance Factor                               90.90%      
November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period             57,104                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                             (21,679)        
November 27, 2018 [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value                             $ 11.86 $ 11.26 $ 10.53    
November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                               102,203      
Performance Factor                                 64.50%    
November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche One [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period           110,954                          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                               (8,751)      
November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                             97,772        
November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche Two [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period           110,954                          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                             (13,182)        
November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                             82,489        
Performance Factor                             116.10% 90.90%      
November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period           110,967                          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                             (28,478)        
December 3, 2019                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value                             $ 13.81 $ 11.86 $ 11.26    
December 3, 2019 | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                             67,597        
Performance Factor                               90.90%      
December 3, 2019 | Share-based Payment Arrangement, Tranche One [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         69,988                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                             (2,391)        
December 3, 2019 | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                             60,375        
Performance Factor                             116.10%        
December 3, 2019 | Share-based Payment Arrangement, Tranche Two [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         69,989                            
December 3, 2019 | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                             60,374        
Performance Factor                             70.00%        
December 3, 2019 | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         69,988                            
November 29, 2022                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value                       $ 11.41              
November 29, 2022 | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number                       85,947              
Performance Factor                       0.00%              
November 29, 2022 | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                       166,284              
Forecast [Member] | November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                           77,474          
Forecast [Member] | November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                           33,733          
Forecast [Member] | November 28, 2017 [Member] | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                           32,202          
Forecast [Member] | November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                           65,921          
Forecast [Member] | November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                           88,875          
Forecast [Member] | November 27, 2018 [Member] | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                           95,770          
Forecast [Member] | December 3, 2019 | Share-based Payment Arrangement, Tranche One [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                         61,446            
Forecast [Member] | December 3, 2019 | Share-based Payment Arrangement, Tranche Two [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                         70,096            
Forecast [Member] | December 3, 2019 | Share-based Payment Arrangement, Tranche Two [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                           (9,614)          
Forecast [Member] | December 3, 2019 | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                         42,262            
Forecast [Member] | December 3, 2019 | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                           (9,614)          
Forecast [Member] | November 29, 2022 | Share-based Payment Arrangement, Tranche Three [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Settlement of performance-based restricted stock units, net of shares withheld for taxes                   0                  
Forecast [Member] | November 29, 2022 | Share-based Payment Arrangement, Tranche Three [Member] | PRSU base units [Member]                                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period                     (80,337)