The tax deduction relating to the AICF contribution.

No definition available.

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Deferred Tax Assets, Tax Credit Carryforwards, Foreign, Subject to Expiration

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- Definition

Income Taxes Receivable, CARES Act

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Under the terms of the Amended and Restated Final Funding Agreement (AFFA), a wholly owned Australian subsidiary (the Performing Subsidiary) has an obligation to make payments to the AICF on an annual basis. The amount of these annual payments is dependent on several factors, including the Company's free cash flow (as defined by the AFFA), actuarial estimations, actual claims paid, operating expenses of the AICF and the annual cash flow cap.

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No definition available.

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Percentage of valuation allowance against loss carry forwards.

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No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of unrecognized tax benefits.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Income Taxes - Narrative (Details) $ in Millions, $ in Millions	12 Months Ended				60 Months Ended
	Mar. 31, 2026 USD ($)	Mar. 31, 2026 AUD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2026 USD ($)	Mar. 31, 2026 AUD ($)
Tax Credit Carryforward [Line Items]
Tax loss carry-forwards	$ 64.1				$ 64.1
Operating loss carryforwards, valuation allowance	2.2				2.2
Recognized tax deduction	128.0	$ 193.5
Contribution to AICF	125.4		$ 99.2	$ 91.8	674.5	$ 967.5
Foreign tax credit carry-forwards	123.1		111.8		123.1
Valuation allowance	273.9		256.9		273.9
Income Taxes Paid	85.1		$ 128.1	$ 183.1
Current taxes receivable, CARES Act	37.7				37.7
Total amount of unrecognized tax benefits	4.9				4.9
Interest and penalties recognized income tax expense	4.9
Foreign Tax Jurisdiction
Tax Credit Carryforward [Line Items]
Foreign tax credit carry-forwards	$ 114.4				$ 114.4
Percentage of valuation allowance against foreign tax credit carry-forwards (as percent)	100.00%				100.00%
Foreign tax credit carry-forwards, subject to expiration	$ 8.3				$ 8.3
Valuation allowance	$ 5.2				$ 5.2