Income Taxes (Tables)

12 Months Ended

Sep. 30, 2020

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

For financial reporting purposes, income (loss) before income taxes includes the following components:

	Year Ended September 30,
	2020		2019			2018
Domestic	$	81,276	$	(9,140	)	$	(8,613	)
Foreign	40,490		10,256			17,879
Income before income taxes	$	121,766	$	1,116		$	9,266

Schedule of Components of Income Tax Expense (Benefit)

The components of income tax (expense) benefit were as follows:

	Year Ended September 30,
	2020			2019			2018
Current:
Federal	$	—		$	—		$	—
State	(591		)	(400		)	(911		)
Foreign	(8,014		)	(7,239		)	(6,703		)
	$	(8,605	)	$	(7,639	)	$	(7,614	)
Deferred:
Federal	115			(3,597		)	6,311
State	401			196			(209		)
Foreign	718			1,453			130
	$	1,234		$	(1,948	)	$	6,232
Total income tax expense	$	(7,371	)	$	(9,587	)	$	(1,382	)

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of income tax (expense) benefit and the amount computed by applying the applicable statutory rate to income from operations before income taxes was as follows:

	Year Ended September 30,
	2020			2019			2018
Income tax (expense) benefit at the federal statutory rate of 21%	$	(25,571	)	$	(234	)	$	(2,270	)
State and local income taxes, net of federal tax benefit	(74		)	(204		)	(1,053		)
Foreign tax rate differential	(1,129		)	(1,471		)	(2,389		)
Nondeductible transaction costs	—			—			(1,489		)
Nondeductible interest expense	(1,032		)	(1,073		)	(853		)
Meals and entertainment expense	(760		)	(953		)	(553		)
U.S. tax on foreign earnings	(8,438		)	(1,421		)	—
Nondeductible legal expenses	—			(112		)	—
Other nondeductible expenses	(479		)	(223		)	(47		)
Impact of tax rate changes	286			(548		)	3,626
Valuation allowances	19,013			(3,886		)	(4,218		)
Share-based compensation in excess of accounting	4,931			475			5,156
Non-taxable gain on sale of subsidiary	4,789			—			1,131
Return-to-provision adjustments	516			(655		)	449
Non-controlling interest	(466		)	221			428
Net benefit of foreign R&D expenses	18			191			336
Transaction related contingent liabilities	143			(58		)	89
Contingent liabilities - warranty	—			93			—
Foreign withholding taxes	—			369			—
Non-deductible exchange gain or loss	—			(587		)	—
Deferred tax adjustments	491			2,016			—
Accrued tax adjustments	(6		)	(1,348		)	—
Tax benefits of other comprehensive income	—			(154		)	—
Other	397			(25		)	275
Total	$	(7,371	)	$	(9,587	)	$	(1,382	)

Schedule of Deferred Tax Assets and Liabilities

Significant components of deferred tax assets and liabilities were as follows:

	September 30, 2020			September 30, 2019
Deferred Tax Assets
Receivable allowances	$	856		$	1,018
Reserves and accruals	24,141			24,473
Inventory valuation and other assets	4,617			4,989
Investment in partnership	1,592			2,569
Unrealized foreign exchange gains (losses), including related hedges	5,332			6,730
Other deferred taxes	3,474			897
Disallowed interest	—			7,096
Net operating loss carryforwards	29,407			49,786
Gross deferred tax assets	$	69,419		$	97,558
Less: Valuation allowance	(23,298		)	(41,084		)
Deferred tax assets less valuation allowance	$	46,121		$	56,474
Deferred Tax Liabilities
Goodwill	(6,579		)	(9,801		)
Fixed assets	(32,136		)	(38,293		)
Intangibles	(15,509		)	(15,720		)
Other deferred tax liabilities	(1,427		)	(3,418		)
Gross deferred tax liabilities	$	(55,651	)	$	(67,232	)
Net deferred tax liabilities	$	(9,530	)	$	(10,758	)

Summary of Valuation Allowance

A reconciliation of the valuation allowance on deferred tax assets is as follows:

	Year Ended September 30,
	2020			2019			2018
Valuation allowance beginning of period	$	41,084		$	36,683		$	48,573
Change in assessment	1,650			(865		)	—
Current year operations	(19,856		)	3,495			(1,435		)
Foreign currency and other	3,012			2,254			71
Acquisitions / Dispositions	(2,592		)	(483		)	(10,526		)
Valuation allowance end of period	$	23,298		$	41,084		$	36,683

Schedule of Unrecognized Tax Benefits Roll Forward

The following is a reconciliation of the Company’s total gross unrecognized tax benefits:

	Year Ended September 30,
	2020			2019		2018
Balance as of beginning of period	$	1,075		$	—	$	—
Tax positions related to the current year
Additions	—			—		—
Tax positions related to prior years
Additions	—			1,075		—
Reductions	(25		)	—		—
Expiration of statutes of limitations	—			—		—
Balance as of end of period	$	1,050		$	1,075	$	—

Summary of Operating Loss Carryforwards

Tax attributes available to reduce future taxable income begin to expire as follows:

	September 30, 2020		First year of Expiration
Federal net operating loss	$	105,828	September 30, 2035
State net operating loss	66,206		September 30, 2019
Foreign net operating loss	1,770		September 30, 2023
Foreign net operating loss (Germany, Singapore, and the UK)	18,467		Indefinite