Income Taxes (Tables)

12 Months Ended

Sep. 30, 2022

Income Tax Disclosure [Abstract]

Components of (Loss) Income Before Income Taxes

The components of (loss) income before income taxes are as follows (dollars in thousands):

	Year Ended September 30,
	2022			2021		2020
Domestic	$	(168,452	)	$	20,933	$	(27,889	)
Foreign		(30,299	)		27,336		4,849
(Loss) income before income taxes	$	(198,751	)	$	48,269	$	(23,040	)

Components of Provision for (Benefit from) Income Taxes

The components of provision for (benefit from) income taxes are as follows (dollars in thousands):

	Year Ended September 30,
	2022			2021			2020
Current:
Federal	$	12		$	—		$	—
State		15			35			—
Foreign		14,761			6,760			5,844
Total current	$	14,788		$	6,795		$	5,844
Deferred:
Federal		(6,823	)		5,437			(1,636	)
State		218			5,001			(239	)
Foreign		103,892			(14,857	)		(8,693	)
Total deferred		97,287			(4,419	)		(10,568	)
Provision for (benefit from) income taxes	$	112,075		$	2,376		$	(4,724	)
Effective income tax rate		(56.4	)%		4.9	%		20.5	%

Schedule of Provision for (Benefit from) Income Taxes Differed from the Amount Computed by Applying Federal Statutory Rate

The provision for (benefit from) income taxes differed from the amount computed by applying the federal statutory rate to our income (loss) before income taxes as follows (dollars in thousands):

	Year Ended September 30,
	2022			2021			2020
Federal tax provision at statutory rate	$	(41,738	)	$	10,137		$	(4,838	)
State tax, net of federal benefit		185			3,979			(221	)
Foreign tax rate and other foreign related tax items		920			(15,626	)		(2,347	)
Uncertain tax positions		25			861			(887	)
Stock-based compensation		(15,020	)		1,629			3,456
Global intangible low-taxed income		(554	)		554			336
Goodwill impairment		39,933			—			—
Change in valuation allowance		128,034			(225	)		—
Non-deductible expenditures		1,095			3,999			2,728
R&D credits		(805	)		(2,932	)		(2,951	)
Provision for (benefit from) income taxes	$	112,075		$	2,376		$	(4,724	)

Schedule of Deferred Tax Assets (Liabilities)

Deferred tax assets (liabilities) consist of the following as of September 30, 2022 and 2021 (dollars in thousands):

	September 30,
	2022			2021
Deferred tax assets:
Net operating loss carryforwards	$	44,131		$	17,098
Capital loss carryforwards		8,187			8,187
Federal credit carryforwards		5,916			5,160
Accrued expenses and other reserves		3,316			5,992
Difference in timing of revenue related items		31,261			39,105
Acquired intangibles		89,434			102,481
Interest limitations carryforward		10,228			7,319
Operating lease liabilities		4,874			5,065
Depreciation		2,924			2,723
Deferred compensation		1,910			2,174
Pension obligation		730			1,870
Other		3,078			1,249
Total deferred tax assets	$	205,989		$	198,423
Valuation allowance for deferred tax assets		(126,860	)		(12,209	)
Deferred tax assets	$	79,129		$	186,214
Deferred tax liabilities:
Depreciation	$	(6,143	)	$	(4,636	)
Acquired intangibles		(14,570	)		(17,204	)
Convertible debt		(2,463	)		(3,349	)
Operating lease right-of-use assets		(4,189	)		(4,303	)
Other		(749	)		(163	)
Total deferred tax liabilities		(28,114	)		(29,655	)
Net deferred tax assets	$	51,015		$	156,559

Aggregate Changes in Balance of Gross Unrecognized Tax Benefits

The aggregate changes in the balance of our gross unrecognized tax benefits were as follows (dollars in thousands):

	September 30,
	2022			2021
Balance at the beginning of the year	$	87,144		$	67,358
Beginning balance adjustment		(13,181	)		9,884
Increases related to tax positions taken from prior periods		2,277			9,367
Increases related to tax positions taken during current period		2,088			768
Decreases for tax settlements and lapse in statutes		(1,738	)		(233	)
Balance at the end of the year	$	76,590		$	87,144