Nature of Operations and Accounting Policies (Policies)	9 Months Ended
Apr. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations	Nature of Operations THOR Industries, Inc. was founded in 1980 and is the sole owner of operating subsidiaries (collectively, the “Company” or “THOR”), that, combined, represent the world's largest manufacturer of recreational vehicles (“RVs”). The Company manufactures a wide variety of RVs in the United States and Europe and sells those vehicles, as well as related parts and accessories, primarily to independent, non-franchise dealers throughout the United States, Canada and Europe. Unless the context requires or indicates otherwise, all references to “THOR,” the “Company,” “we,” “our” and “us” refer to THOR Industries, Inc. and its subsidiaries. The July 31, 2024 amounts are derived from the annual audited financial statements of THOR. The interim financial statements are unaudited. In the opinion of management, all adjustments (which consist of normal, recurring adjustments) necessary to present fairly the financial position, results of operations and cash flows for the interim periods presented have been made. These financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the fiscal year ended July 31, 2024. Due to seasonality within the recreational vehicle industry, inflation and shifting consumer demand in our industry, among other factors, annualizing the results of operations for the nine months ended April 30, 2025 would not necessarily be indicative of the results expected for the full fiscal year.
Recently Issued Accounting Standards Not Yet Adopted	Recently Issued Accounting Standards Not Yet Adopted In November 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update No. 2023-07 (“ASU 2023-07”) “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures”, which requires additional disclosures about significant segment expenses regularly provided to the Chief Operating Decision Maker. ASU 2023-07 is effective for annual reporting periods beginning after December 15, 2023, or the annual report for fiscal 2025 for the Company, and interim periods within fiscal years beginning after December 15, 2024, or interim periods starting in fiscal 2026 for the Company. Early adoption is permitted. We are currently evaluating the impact of ASU 2023-07 on our consolidated financial statements and related disclosures. In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”, requiring enhancements and further transparency to certain income tax disclosures. Under this ASU, entities must disclose, on an annual basis, specific categories in the rate reconciliation and provide additional information for reconciling items that meet a quantitative threshold. In addition, ASU 2023-09 requires entities to disclose additional information about income taxes paid. The new standard also eliminates certain existing disclosure requirements related to uncertain tax positions and unrecognized deferred tax liabilities. ASU 2023-09 is effective for financial statements for annual periods beginning after December 15, 2024. This ASU is effective for the Company in its fiscal year 2026 beginning on August 1, 2025. Early adoption is permitted. The Company is currently evaluating the potential impact of adopting this guidance on the consolidated financial statements. 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,” as updated by ASU 2025-01, “Income Statement — Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date”, issued in January 2025. This guidance provides updates to qualitative and quantitative disclosure requirements over the disaggregation of relevant expense captions within the income statement to provide more transparency and useful information on expenses within the income statement including tabular presentation of prescribed expense categories such as the purchases of inventory, employee compensation, depreciation, intangible asset amortization, and inclusion of other specific expense, gains and losses required by existing GAAP with reconciliation of disaggregation to the face of the income statement. This guidance is effective for fiscal years beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027, with early adoption permitted. The guidance may be applied prospectively or retrospectively. This guidance will be effective for our fiscal year ending July 31, 2028. We are currently evaluating the impact the guidance may have on our consolidated financial statement disclosures.

Nature of Operations and Accounting Policies (Policies)

Nature of Operations

THOR Industries, Inc. was founded in 1980 and is the sole owner of operating subsidiaries (collectively, the “Company” or “THOR”), that, combined, represent the world's largest manufacturer of recreational vehicles (“RVs”). The Company manufactures a wide variety of RVs in the United States and Europe and sells those vehicles, as well as related parts and accessories, primarily to independent, non-franchise dealers throughout the United States, Canada and Europe. Unless the context requires or indicates otherwise, all references to “THOR,” the “Company,” “we,” “our” and “us” refer to THOR Industries, Inc. and its subsidiaries.

The July 31, 2024 amounts are derived from the annual audited financial statements of THOR. The interim financial statements are unaudited. In the opinion of management, all adjustments (which consist of normal, recurring adjustments) necessary to present fairly the financial position, results of operations and cash flows for the interim periods presented have been made. These financial statements should be read in conjunction with the Company’s Annual Report on Form 10-K for the fiscal year ended July 31, 2024. Due to seasonality within the recreational vehicle industry, inflation and shifting consumer demand in our industry, among other factors, annualizing the results of operations for the nine months ended April 30, 2025 would not necessarily be indicative of the results expected for the full fiscal year.

Recently Issued Accounting Standards Not Yet Adopted

In November 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standard Update No. 2023-07 (“ASU 2023-07”) “Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures”, which requires additional disclosures about significant segment expenses regularly provided to the Chief Operating Decision Maker. ASU 2023-07 is effective for annual reporting periods beginning after December 15, 2023, or the annual report for fiscal 2025 for the Company, and interim periods within fiscal years beginning after December 15, 2024, or interim periods starting in fiscal 2026 for the Company. Early adoption is permitted. We are currently evaluating the impact of ASU 2023-07 on our consolidated financial statements and related disclosures.

In December 2023, the FASB issued ASU 2023-09, “Income Taxes (Topic 740): Improvements to Income Tax Disclosures”, requiring enhancements and further transparency to certain income tax disclosures. Under this ASU, entities must disclose, on an annual basis, specific categories in the rate reconciliation and provide additional information for reconciling items that meet a quantitative threshold. In addition, ASU 2023-09 requires entities to disclose additional information about income taxes paid. The new standard also eliminates certain existing disclosure requirements related to uncertain tax positions and unrecognized deferred tax liabilities. ASU 2023-09 is effective for financial statements for annual periods beginning after December 15, 2024. This ASU is effective for the Company in its fiscal year 2026 beginning on August 1, 2025. Early adoption is permitted. The Company is currently evaluating the potential impact of adopting this guidance on the consolidated financial statements.

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,” as updated by ASU 2025-01, “Income Statement — Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date”, issued in January 2025. This guidance provides updates to qualitative and quantitative disclosure requirements over the disaggregation of relevant expense captions within the income statement to provide more transparency and useful information on expenses within the income statement including tabular presentation of prescribed expense categories such as the purchases of inventory, employee compensation, depreciation, intangible asset amortization, and inclusion of other specific expense, gains and losses required by existing GAAP with reconciliation of disaggregation to the face of the income statement. This guidance is effective for fiscal years beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027, with early adoption permitted. The guidance may be applied prospectively or retrospectively. This guidance will be effective for our fiscal year ending July 31, 2028. We are currently evaluating the impact the guidance may have on our consolidated financial statement disclosures.