Business and Summary of Significant Accounting Policies (Policies) |
9 Months Ended |
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Dec. 31, 2025 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Basis of Presentation | Basis of Presentation The condensed consolidated balance sheet data as of March 31, 2025, was derived from the March 31, 2025, audited financial statements but does not include all disclosures required by U.S. GAAP. The accompanying unaudited condensed consolidated financial statements should be read in conjunction with our audited consolidated financial statements and accompanying notes in our 2025 Form 10-K. Management believes that all adjustments necessary for the fair statement of results, consisting of normally recurring items, have been included in the unaudited condensed consolidated financial statements for the interim periods presented.
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| Consolidation Policy | Consolidation Policy Our condensed consolidated financial statements have been prepared in accordance with U.S. GAAP and include the assets, liabilities, revenues, and expenses of all wholly owned subsidiaries, majority-owned subsidiaries over which we exercise control, and entities in which we have a controlling financial interest or are deemed to be the primary beneficiary. We eliminate intercompany accounts and transactions from our condensed consolidated financial statements. We use the equity method to account for our investments in entities that we do not control but have the ability to exercise significant influence over operating and financial policies. Consolidated net (loss) income attributable to our common shareholder includes our share of the net income (loss) of these entities. The difference between consolidation and the equity method impacts certain of our financial ratios because of the presentation of the detailed line items reported in the condensed consolidated financial statements for consolidated entities, compared to a two-line presentation of investment in and advances to non-consolidated affiliates and equity in net loss (income) of non-consolidated affiliates.
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| Assets and Liabilities Held for Sale | Assets and Liabilities Held for Sale We classify long-lived assets (disposal groups) to be sold as held for sale in the period in which all required criteria are met. Upon determining that a long-lived asset (disposal group) meets the criteria to be classified as held for sale, we report the assets and liabilities of the disposal group in our condensed consolidated balance sheets as assets held for sale and liabilities held for sale, respectively. As of December 31, 2025, the Company had assets held for sale of $19 million and liabilities held for sale of $13 million. As of March 31, 2025, the Company had assets held for sale of $6 million.
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| Use of Estimates and Assumptions | Use of Estimates and Assumptions The preparation of our condensed consolidated financial statements in accordance with U.S. GAAP requires us to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities, the disclosures of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting periods. The principal areas of judgment relate to (1) impairment of goodwill; (2) actuarial assumptions related to pension and other postretirement benefit plans; (3) tax uncertainties and valuation allowances; and (4) assessment of loss contingencies, including environmental and litigation liabilities. Future events and their effects cannot be predicted with certainty, and accordingly, our accounting estimates require the exercise of judgment. The accounting estimates used in the preparation of our condensed consolidated financial statements may change as new events occur, more experience is acquired, additional information is obtained, and our operating environment changes. We evaluate and update our assumptions and estimates on an ongoing basis and may employ outside experts to assist in our evaluations. Actual results could differ from the estimates we have used.
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| Recently Adopted Accounting Standards and Recently Issued Accounting Standards (Not Yet Adopted) | Recently Adopted Accounting Standards We did not adopt any new accounting pronouncements during the nine months ended December 31, 2025, that had a material impact on our consolidated financial condition, results of operations, or cash flows. Recently Issued Accounting Standards (Not Yet Adopted) In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. This ASU expands disclosures in an entity's income tax rate reconciliation table and disclosures regarding cash taxes paid both in the U.S. and foreign jurisdictions. This ASU is effective for all entities for fiscal years beginning after December 15, 2024. The Company plans to adopt this guidance for its consolidated financial statements and related disclosures for the fiscal year ending March 31, 2026. In November 2024, the FASB issued ASU 2024-03, Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. This ASU requires expanded, disaggregated expense disclosures. This ASU is effective for all entities for fiscal years beginning after December 15, 2026, and for interim periods within annual reporting periods beginning after December 15, 2027 as updated for in ASU 2025-01, Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date which clarified the interim reporting effective date of ASU 2024-03. Early adoption is permitted. The amendments will be applied prospectively with the option of retrospective application. We are currently evaluating this ASU to determine its impacts on the Company's disclosures. In September 2025, the FASB issued ASU 2025-06, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40), which modernizes the accounting framework for internal-use software. The update eliminates the prior model based on defined development stages and introduces a principles-based approach that focuses on management’s commitment and the likelihood of project completion. ASU 2025-06 is effective for annual periods beginning after December 15, 2027, including interim periods within those years. Early adoption is permitted. The Company is currently assessing the potential impact of this guidance on its consolidated condensed financial statements. There are no other recent accounting pronouncements pending adoption that we expect will have a material impact on our consolidated financial condition, results of operations, or cash flows.
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