Document and Entity Information - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Aug. 31, 2026 |
Oct. 21, 2026 |
Feb. 28, 2026 |
|
| Cover [Abstract] | |||
| Document Type | 10-K | ||
| Amendment Flag | false | ||
| Document Period End Date | Aug. 31, 2026 | ||
| Document Fiscal Year Focus | 2026 | ||
| Document Fiscal Period Focus | FY | ||
| Trading Symbol | LNN | ||
| Entity Registrant Name | Lindsay Corporation | ||
| Entity Central Index Key | 0000836157 | ||
| Entity Current Reporting Status | Yes | ||
| Current Fiscal Year End Date | --08-31 | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Entity Voluntary Filers | No | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Shell Company | false | ||
| ICFR Auditor Attestation Flag | true | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| Entity Interactive Data Current | Yes | ||
| Entity File Number | 1-13419 | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 47-0554096 | ||
| Entity Address, Address Line One | 18135 Burke Street | ||
| Entity Address, Address Line Two | Suite 100 | ||
| Entity Address, City or Town | Omaha | ||
| Entity Address, State or Province | NE | ||
| Entity Address, Postal Zip Code | 68022 | ||
| City Area Code | 402 | ||
| Local Phone Number | 829-6800 | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Title of 12(b) Security | Common Stock, $1.00 par value | ||
| Security Exchange Name | NYSE | ||
| Auditor Name | KPMG LLP | ||
| Auditor Location | Omaha, Nebraska | ||
| Auditor Firm ID | 185 | ||
| Entity Public Float | $ 1,400,294,729 | ||
| Entity Common Stock, Shares Outstanding | 10,169,930 | ||
| Documents Incorporated by Reference [Text Block] | DOCUMENTS INCORPORATED BY REFERENCE Portions of the Proxy Statement pertaining to the Registrant’s annual stockholders' meeting to be held on January 5, 2027 are incorporated by reference into Part III of this Annual Report on Form 10-K. |
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| Auditor Opinion [Text Block] | Opinion on Internal Control Over Financial Reporting We have audited Lindsay Corporation and subsidiaries' (the Company) internal control over financial reporting as of August 31, 2026, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of August 31, 2026, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of August 31, 2026 and 2025, the related consolidated statements of earnings, comprehensive income, shareholders’ equity, and cash flows for each of the years in the three-year period ended August 31, 2026, and the related notes and financial statement schedule (collectively, the consolidated financial statements), and our report dated October 22, 2026 expressed an unqualified opinion on those consolidated financial statements. |