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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Sep. 30, 2025	Feb. 20, 2025	Jul. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Shares Authorized	100,000,000		100,000,000		100,000,000
Treasury Stock Acquired, Average Cost Per Share		$ 157.15	$ 418.31	$ 174.25
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation			47,804	38,744
Share Repurchase Program, Authorized, Amount							$ 200,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant	1,298,952		1,298,952
Treasury Stock Acquired, Average Cost Per Share		$ 157.15	$ 418.31	$ 174.25
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation			47,804	38,744
Residential [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contingent consideration	$ 0	$ 0	$ 0	$ 0
Phantom Share Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	132	173	422	492
us-gaap_PhantomShareUnitsPSUsMember_Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 3,633	4,157	$ 10,568	$ 8,924
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period			16,139
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period			2,860
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period			(121,501)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number	198,533		198,533		306,755
Stock Issued During Period, Shares, Treasury Stock Reissued			121,792	94,752
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period			2,860
Common Stock, par value $0.01 per share
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 52	$ 0	$ 143	$ 0
Repurchase Agreements [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Treasury Stock, Shares, Acquired		33,900	4,112	173,262
Amended Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized						750,000