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Stockholders' Equity Stockholders' Equity (Stock-Based Compensation Plans) (Details) - USD ($)
 3 Months Ended 9 Months Ended
Jul. 25, 2023
Jul. 05, 2023
Feb. 19, 2022
Apr. 16, 2021
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Class of Stock [Line Items]                
Exercise of stock options, shares         44,900 0 74,200 18,736
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price         $ 25.1     $ 25.88
Payment, Tax Withholding, Share-based Payment Arrangement             $ 252,000 $ 287,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Other Increases (Decreases) in Period, Description         34,160 — 56,957 8,125
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value             $ 23.98  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Returned for Payroll Taxes         4,021   5,486 1,601
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price         $ 11.70   $ 11.70  
Treasury stock acquired, shares         0 0 0 695,496
Treasury Stock Acquired, Average Cost Per Share         $ 0 $ 0 $ 0 $ 49.22
Treasury Stock, Value, Acquired, Cost Method         $ 0 $ 0 $ 0 $ 34,234,000
Advisor                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross         176 155 492 374
Director                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 743 769     3,747 2,214 8,342 7,255
Stock options                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross             214,191  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value         $ 400,000   $ 500,000 $ 500,000
Proceeds from Stock Options Exercised         0 $ 0 0 60,000
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation         $ 133,000 $ 0 $ 174,000 $ 82,000
Dividend yield             1.38%  
Expected volatility             43.68%  
Risk-free interest rate             4.27%  
Expected holding period (years)             4 years  
Stock options | Black-Scholes                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross             214,191 58,500
Share price at grant date               $ 49.48
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value             $ 2,506,000 $ 959,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period         1,700 3,652 103,550 28,790
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures Fair Valueriod         $ 20,000 $ 37,000 $ 1,354,000 $ 322,000
Stock options | Black-Scholes | Five Year Vesting Period                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross         0 0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value         $ 0 $ 0    
Stock options | Black-Scholes | Seven Year Vesting Period                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross         0 0 0 310,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value         $ 0 $ 0 $ 0 $ 5,388,000
Stock options | Black-Scholes | Three Year Vesting Period                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross         0 12,600 0 12,600
Share price at grant date               $ 31.58
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value         $ 0 $ 143,000 $ 0 $ 143,000
Stock options | Monte-Carlo Pricing Model                
Class of Stock [Line Items]                
Share price at grant date             $ 32.69  
Restricted Stock Units (RSUs)                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         0 0 142,020  
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Fair Value         $ 0 $ 16,000 $ 61,000 $ 63,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Grants in Period, Aggregate Grant Date Market Value         $ 0 $ 0 $ 4,634,000  
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation         0 0 1,473 4,136
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation         $ 0 $ 0 $ 50,000 $ 205,000
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited         0 500 1,826 1,950
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value             $ 32.63  
Performance awards                
Class of Stock [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         0 0 0 27,013
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Granted In Period, Fair Value         $ 0 $ 0 $ 0 $ 1,262,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period         0 0 40,181 20,961
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Fair Value         $ 0 $ 0 $ 1,012,000 $ 201,000
Good to Great Awards                
Class of Stock [Line Items]                
Share price at grant date     $ 49.48 $ 32.69        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period             8,444 27,448
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Fair Value             $ 300,000 $ 1,400,000