Stock-Based Compensation - 2026 Director Awards (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended
	Jun. 01, 2026	May 26, 2026	Sep. 30, 2026	Sep. 30, 2025	Jun. 30, 2026
Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation grants in period (in shares)			10,000
Fair value at grant date (in USD per share)			$ 30.52
Vested (in shares)			542,500		557,500
Restricted Stock Units (RSUs) | 2026 Director Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vested (in shares)			49,388
Total stock compensation costs expensed			$ 0.8	$ 0.0
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Nonemployee | 2026 Director Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation grants in period (in shares)		22,613
Share-based payment award, award vesting period		1 year
Fair value at grant date (in USD per share)		$ 33.89
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Nonemployee | 2024 Director Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation grants in period (in shares)	26,775
Share-based payment award, award vesting period	1 year
Fair value at grant date (in USD per share)	$ 33.10
Restricted Shares | 2026 Director Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vested (in shares)			5,438
Restricted Shares | Share-Based Payment Arrangement, Nonemployee | 2026 Director Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation grants in period (in shares)		5,438