Income Taxes (Tables)

12 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Components of (Loss) Income from Continuing Operations before Income Taxes

The components of (loss) income from continuing operations before income taxes are as follows:

	Year ended March 31,
	2024			2023		2022
Foreign	$	38,002		$	513	$	46,457
Domestic		(65,346	)		75,264		(92,308	)
	$	(27,344	)	$	75,777	$	(45,851	)

Components of Income Tax (Benefit) Expense

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

	Year ended March 31,
	2024		2023			2022
Current:
Federal	$	347	$	(538	)	$	—
State		527		175			(554	)
Foreign		6,249		3,709			5,055
		7,123		3,346			4,501
Deferred:
Foreign		—		14			25
		—		14			25
	$	7,123	$	3,360		$	4,526

Schedule of Reconciliation of Statutory Federal Income Tax Rate to Effective Tax Rate

A reconciliation of the statutory federal income tax rate to the effective tax rate is as follows:

	Year ended March 31,
	2024			2023			2022
Statutory federal income tax rate		21.0	%		21.0	%		21.0	%
State and local income taxes, net of federal tax benefit		10.0			10.6			17.3
Section 162(m)		(2.8	)		2.7			(4.2	)
Return to provision adjustment		30.2			(4.8	)		(0.4	)
Miscellaneous permanent items and nondeductible accruals		(1.0	)		0.3			(2.4	)
Research and development tax credit		9.0			(2.9	)		5.0
Impact of foreign operations (including rate differential, rate change, and settlement with tax authorities		8.6			3.1			13.8
Valuation allowance		(100.3	)		(25.9	)		(59.4	)
Other (including FIN 48)		(0.7	)		0.3			(0.6	)
Effective income tax rate		(26.0	)%		4.4	%		(9.9	)%

Components of Deferred Tax Assets and Liabilities

The components of deferred tax assets and liabilities are as follows:

	March 31,
	2024			2023
Deferred tax assets:
Net operating loss and other credit carryforwards	$	223,459		$	302,273
Inventory		17,328			23,584
Accruals and reserves		18,841			21,336
Interest carryforward		96,115			103,826
Pension and other postretirement benefits		69,828			87,846
Lease right-of-use assets		4,650			5,259
Research and development		9,283			4,592
Acquired contract liabilities, net		2,329			3,012
		441,833			551,728
Valuation allowance		(399,179	)		(512,579	)
Net deferred tax assets		42,654			39,149
Deferred tax liabilities:
Deferred revenue		3,473			2,947
Property and equipment		10,632			11,487
Goodwill and other intangible assets		30,457			26,197
Lease liabilities		3,187			3,470
Prepaid expenses and other		2,173			2,316
		49,922			46,417
Net deferred tax liabilities	$	7,268		$	7,268

Schedule of Reconciliation of Liability for Uncertain Tax Positions

A reconciliation of the liability for uncertain tax positions, which are included in deferred taxes for the fiscal years ended March 31, 2024, 2023, and 2022 follows:

	Year ended March 31,
	2024			2023			2022
Beginning balance	$	12,193		$	11,978		$	11,750
Adjustments for tax positions related to the current year		371			223			228
Adjustments for tax positions of prior years		(348	)		(8	)		0
Ending balance	$	12,216		$	12,193		$	11,978