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Note 14 - Stock-based Compensation (Tables)

12 Months Ended

Sep. 30, 2024

Notes Tables

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

		Year Ended September 30,
		2024				2023				2022
Restricted stock units		$	13,222			$	8,027			$	10,597
Employee stock purchase plan			1,245				1,349				1,846
Total stock-based compensation expense for continuing and discontinued operations		$	14,467			$	9,376			$	12,443
Income tax benefit			(2,025	)			(1,406	)			(1,929	)
Total compensation expense included in the statement of operations		$	12,442			$	7,970			$	10,514

Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

						Weighted
						Average
		Shares				Grant Date
		(in thousands)				Fair Value
Outstanding as of September 30, 2023			718,954			$	67.40
Granted			665,893			$	55.15
Vested			(182,895	)		$	68.23
Forfeited			(437,841	)		$	61.94
Outstanding as of September 30, 2024			764,111			$	59.65

		Year Ended September 30,
		2024				2023				2022
Time-based restricted stock units			282,268				311,609				120,066
Common stock awards			—				—				18,471
Performance-based restricted stock units			383,625				278,457				111,148
Total units			665,893				590,066				249,685

Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

		Year Ended September 30,
		2024				2023				2022
Risk-free interest rate			5.3	%			5.2	%			1.7	%
Volatility			47	%			57	%			49	%
Expected life			6 months				6 months				6 months
Dividend yield			—	%			—	%			—	%

X

- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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