Note 16 - Income Taxes (Tables)

12 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended September 30,
	2024			2023			2022
Current income tax (benefit) expense
Federal	$	227		$	(599	)	$	(4,826	)
State		1,482			1,528			607
Foreign		11,224			9,757			4,627
Total current income tax (benefit) expense		12,933			10,686			408
Deferred income tax (benefit) expense:
Federal		(5,457	)		(18,684	)		(815	)
State		313			(402	)		(180	)
Foreign		(10,942	)		(9,150	)		1,937
Total deferred income tax (benefit) expense		(16,086	)		(28,236	)		942
Income tax (benefit) expense	$	(3,153	)	$	(17,550	)	$	1,350

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Year Ended September 30,
	2024			2023			2022
Domestic	$	(46,093	)	$	(58,065	)	$	(39,392	)
Foreign		(121,230	)		27,632			29,456
Loss before income taxes	$	(167,323	)	$	(30,433	)	$	(9,936	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended September 30,
	2024			2023			2022
Income tax benefit computed at federal statutory rate	$	(35,138	)	$	(6,331	)	$	(2,086	)
State income taxes, net of federal benefit		(836	)		(851	)		(776	)
Foreign income taxed at different rates		(6,160	)		(22	)		(1,182	)
Impact of investments in subsidiaries		(22,583	)		(6,058	)		—
Nontaxable gain from acquisition earn-out liability reversal		—			(3,959	)		—
Change in deferred tax asset valuation allowance		37,677			1,137			1,337
Impact of change in uncertain tax positions		36			(1,321	)		(358	)
Global intangible low taxed income, net of foreign tax credits		—			—			4,060
Impact of tax rate changes		(46	)		(1,391	)		1,531
Compensation		1,563			1,598			(1,199	)
Tax credits		(1,199	)		(1,434	)		(2,102	)
Merger costs		—			1,056			1,629
Other non-deductible expenses and other taxes		1,426			1,304			643
Impact of effective state tax rate change		—			—			763
Goodwill impairment		23,444			—			—
Research and development expense deduction		(1,337	)		(1,278	)		(910	)
Income tax (benefit) expense	$	(3,153	)	$	(17,550	)	$	1,350

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	September 30,
	2024			2023
Accruals and reserves not currently deductible	$	10,314		$	10,426
Federal, state and foreign tax credits		1,151			157
Other assets		1,048			613
Equity compensation		2,359			2,183
Net operating loss carryforwards		49,687			9,692
Lease liabilities		16,774			17,513
Capitalized research and development		8,050			6,807
Deferred revenue		3,573			3,672
Outside basis differences in subsidiaries		—			6,058
Deferred tax assets		92,956			57,121
Depreciation and intangible amortization		(82,732	)		(97,572	)
Right-of-use assets		(15,662	)		(16,632	)
Other liabilities		(605	)		(317	)
Net unrealized gain on hedging and investments		—			(1,574	)
Deferred tax liabilities		(98,999	)		(116,095	)
Valuation allowance		(47,865	)		(8,348	)
Net deferred tax asset (liability)	$	(53,908	)	$	(67,322	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	Year Ended September 30,
	2024		2023			2022
Balance at beginning of period	$	298	$	1,679		$	2,006
Reductions from lapses in statutes of limitation		—		(1,381	)		(327	)
Balance at end of period	$	298	$	298		$	1,679