Condensed Consolidated Financial Statements (Policies)	9 Months Ended
Jan. 31, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Accounting	We prepared the accompanying unaudited condensed consolidated financial statements pursuant to the rules and regulations of the U.S. Securities and Exchange Commission for interim financial information. In accordance with those rules and regulations, we condensed or omitted certain information and disclosures normally included in annual financial statements prepared in accordance with U.S. generally accepted accounting principles (GAAP). In our opinion, the accompanying financial statements include all adjustments, consisting only of normal recurring adjustments (unless otherwise indicated), necessary for a fair statement of our financial results for the periods presented in these financial statements. The results for interim periods are not necessarily indicative of future or annual results.
New Accounting Pronouncements	Accounting standards not yet adopted. In December 2023, the Financial Accounting Standards Board (FASB) issued an updated accounting standard requiring additional annual disclosures about income taxes, primarily related to the rate reconciliation and information about income taxes paid. We are required to adopt the new guidance for the annual period ending April 30, 2026. The update can be applied either prospectively or retrospectively. We are still finalizing our assessment of the additional disclosure requirements and do not expect the adoption to have a material impact on our financial position or results of operations. In November 2024, the FASB issued an updated accounting standard requiring disaggregation, in the notes to the financial statements, of expense line items in the income statement that include certain categories of expenses. We are required to adopt the updated standard for annual disclosures for the period ending April 30, 2028, and for interim disclosures within fiscal 2029, with earlier adoption permitted. The update can be applied either prospectively or retrospectively. We are currently evaluating the impact that adopting this accounting standards update will have on our disclosures.
Inventory, Policy	We value some of our consolidated inventories, including most of our U.S. inventories, at the lower of cost, using the last-in, first-out (LIFO) method, or market value.
Classification of Cash Flows Related to Cash Flow Hedges	In our statements of cash flows, we classify cash flows related to cash flow hedges in the same category as the cash flows from the hedged items.
Derivatives, Offsetting Fair Value Amounts, Policy	Offsetting. As noted above, our derivative contracts are governed by ISDA agreements that allow for net settlement of derivative contracts with the same counterparty. It is our policy to present the fair values of current derivatives (that is, those with a remaining term of 12 months or less) with the same counterparty on a net basis in our balance sheets. Similarly, we present the fair values of noncurrent derivatives with the same counterparty on a net basis. We do not net current derivatives with noncurrent derivatives in our balance sheets.

Condensed Consolidated Financial Statements (Policies)

9 Months Ended

Jan. 31, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

We prepared the accompanying unaudited condensed consolidated financial statements pursuant to the rules and regulations of the U.S. Securities and Exchange Commission for interim financial information. In accordance with those rules and regulations, we condensed or omitted certain information and disclosures normally included in annual financial statements prepared in accordance with U.S. generally accepted accounting principles (GAAP). In our opinion, the accompanying financial statements include all adjustments, consisting only of normal recurring adjustments (unless otherwise indicated), necessary for a fair statement of our financial results for the periods presented in these financial statements. The results for interim periods are not necessarily indicative of future or annual results.

New Accounting Pronouncements

Accounting standards not yet adopted. In December 2023, the Financial Accounting Standards Board (FASB) issued an updated accounting standard requiring additional annual disclosures about income taxes, primarily related to the rate reconciliation and information about income taxes paid. We are required to adopt the new guidance for the annual period ending April 30, 2026. The update can be applied either prospectively or retrospectively. We are still finalizing our assessment of the additional disclosure requirements and do not expect the adoption to have a material impact on our financial position or results of operations.

In November 2024, the FASB issued an updated accounting standard requiring disaggregation, in the notes to the financial statements, of expense line items in the income statement that include certain categories of expenses. We are required to adopt the updated standard for annual disclosures for the period ending April 30, 2028, and for interim disclosures within fiscal 2029, with earlier adoption permitted. The update can be applied either prospectively or retrospectively. We are currently evaluating the impact that adopting this accounting standards update will have on our disclosures.

Inventory, Policy

We value some of our consolidated inventories, including most of our U.S. inventories, at the lower of cost, using the last-in, first-out (LIFO) method, or market value.

Classification of Cash Flows Related to Cash Flow Hedges

In our statements of cash flows, we classify cash flows related to cash flow hedges in the same category as the cash flows from the hedged items.

Derivatives, Offsetting Fair Value Amounts, Policy

Offsetting. As noted above, our derivative contracts are governed by ISDA agreements that allow for net settlement of derivative contracts with the same counterparty. It is our policy to present the fair values of current derivatives (that is, those with a remaining term of 12 months or less) with the same counterparty on a net basis in our balance sheets. Similarly, we present the fair values of noncurrent derivatives with the same counterparty on a net basis. We do not net current derivatives with noncurrent derivatives in our balance sheets.