Income Taxes - Deferred Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Deferred tax assets:
Non-deductible interest carryforward	$ 34,940	$ 30,858
Original issue discount	10,439	14,714
Reserves and accruals	22,691	21,662
Tax loss carryforwards	16,653	16,329
Unrealized exchange losses	1,448	5,961
Lease obligations	6,511	7,344
Other	9,971	10,290
Gross deferred tax assets	102,653	107,158
Valuation allowance	(60,302)	(70,391)
Total deferred tax assets	42,351	36,767
Deferred tax liabilities:
Unremitted earnings of foreign subsidiaries	(27,560)	(29,523)
Right of use asset	(7,050)	(7,956)
Other	(2,989)	(25)
Total deferred tax liabilities	(37,599)	(37,504)
Net deferred tax assets (liabilities)	$ 4,752
Net deferred tax assets (liabilities)		$ (737)