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Basis of Presentation Summary of Significant Accounting Policies (Policies) | 3 Months Ended
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Nov. 24, 2018
Accounting Policies [Abstract] |
Basis of Accounting, Policy [Policy Text Block] | Unless the context otherwise requires, the use of the terms "Winnebago Industries," "WGO," "we," "us," and "our" in these Notes to Condensed Consolidated Financial Statements refers to Winnebago Industries, Inc. and its wholly-owned subsidiaries. In the opinion of management, the accompanying Condensed Consolidated Financial Statements contain all adjustments necessary for a fair presentation as prescribed by accounting principles generally accepted in the United States (“GAAP”). All adjustments were comprised of normal recurring adjustments, except as noted in these Notes to Condensed Consolidated Financial Statements. The interim Condensed Consolidated Financial Statements included in this Quarterly Report on Form 10-Q should be read in conjunction with the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the fiscal year ended August 25, 2018.
Fiscal Period [Policy Text Block] | Fiscal Period We follow a 52-/53-week fiscal year, ending the last Saturday in August. Fiscal 2019 is a 53-week year, while Fiscal 2018 was a 52-week year. The extra (53rd) week in Fiscal 2019 will be recognized in our fourth quarter.
New Accounting Pronouncements [Text Block] | New Accounting Pronouncements In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standard Update (“ASU”) 2016-02, Leases (Topic 842), which requires an entity to recognize both assets and liabilities arising from financing and operating leases, along with additional qualitative and quantitative disclosures. This ASU and the related amendments must be adopted on a modified retrospective basis to either each prior reporting period presented or as of the beginning of the period of adoption. Based on the effective dates, we expect to adopt the new guidance in the first quarter of Fiscal 2020. We are currently evaluating the impact of the adoption on our consolidated financial statements. In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging (Topic 815), which improves the financial reporting of hedging relationships to better portray the economic results of an entity's risk management activities in its financial statements. ASU 2017-12 is effective for annual reporting periods beginning after December 15, 2018 (our Fiscal 2020), including interim periods within those annual reporting periods. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements.
Recently Adopted Accounting Pronouncements [Policy Text Block] | Recently Adopted Accounting Pronouncements In the first quarter of Fiscal 2019, we adopted ASU 2014-09, Revenue from Contracts with Customers (Topic 606), which establishes a comprehensive five-step model for the recognition of revenue from contracts with customers. This model is based on the core principle that revenue should be recognized to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. We elected the modified retrospective method of adoption, which we applied to contracts not completed as of the initial date of adoption. Application of the transition requirements had no material impact on operations or beginning retained earnings. While changes to certain control processes and procedures were updated for this adoption, the changes did not have a material impact to our internal control financial reporting framework. Also in the first quarter of Fiscal 2019, we retrospectively adopted ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (Topic 230), which provides guidance for eight specific cash flow issues with the objective of reducing the existing diversity in practice. The adoption of this standard did not materially impact our statements of cash flows, and no cash flow reclassifications were required for the prior period.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References No definition available. + Details
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- Definition The entire disclosure for a new accounting pronouncement that has been issued but not yet adopted. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -URI http://asc.fasb.org/topic&trid=2122394 + Details
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- Definition Disclosure of accounting policy for determining an entity's fiscal year or other fiscal period. This disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees. If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates. Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=108774443&loc=d3e5291-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.3A-02(b)) -URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355033-122828 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.3A-03(b)) -URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355100-122828 + Details
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