Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net income	$ 10,497	$ 3,994	$ 20,580	$ 940
Denominator:
Denominator for basic net income per common share — weighted average shares outstanding	36,956,000	36,296,000	36,816,000	36,212,000
Effect of dilutive securities:
Stock options and restricted stock units	564,000	678,000	737,000	643,000
Denominator for diluted net income per common share — adjusted weighted average shares	37,520,000	36,974,000	37,553,000	36,855,000
Basic net income per common share:
Earnings Per Share, Basic	$ 0.28	$ 0.11	$ 0.56	$ 0.03
Diluted net income per common share
Diluted (USD per share)	$ 0.28	$ 0.11	$ 0.55	$ 0.03
Potentially dilutive securities excluded from computation of earnings per share	348,553	583,062	271,328	676,456

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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