Cover - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Nov. 30, 2025 |
Feb. 10, 2026 |
May 31, 2025 |
|
| Document Type | 10-K/A | ||
| Amendment Flag | true | ||
| Amendment Description | This Amendment No. 1 (this “Amendment”) on Form 10-K/A amends the Annual Report on Form 10-K for the year ended November 30, 2025 of Legato Merger Corp. III (the “Company”), filed with the Securities and Exchange Commission on February 10, 2026 (the “Original Form 10-K”) to include certain additional disclosure in Item 9A of such Original Form 10-K. Other than as set forth above, this Amendment does not reflect events occurring after the filing of the Original Form 10-K, and no other information in the Original Form 10-K is amended hereby. Other events or circumstances occurring after the date of the Original Form 10-K or other disclosures necessary to reflect subsequent events have not been updated subsequent to the date of the Original Form 10-K. Accordingly, this Amendment should be read in conjunction with the Original Form 10-K and our filings with the SEC subsequent thereto. | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Document Period End Date | Nov. 30, 2025 | ||
| Document Fiscal Period Focus | FY | ||
| Document Fiscal Year Focus | 2025 | ||
| Current Fiscal Year End Date | --11-30 | ||
| Entity File Number | 001-41945 | ||
| Entity Registrant Name | Legato Merger Corp. III | ||
| Entity Central Index Key | 0002002038 | ||
| Entity Tax Identification Number | 98-1761148 | ||
| Entity Incorporation, State or Country Code | E9 | ||
| Entity Address, Address Line One | 777 Third Avenue | ||
| Entity Address, Address Line Two | 37th Floor | ||
| Entity Address, City or Town | New York | ||
| Entity Address, State or Province | NY | ||
| Entity Address, Postal Zip Code | 10017 | ||
| City Area Code | (212) | ||
| Local Phone Number | 319-7676 | ||
| Entity Well-known Seasoned Issuer | No | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Small Business | true | ||
| Entity Emerging Growth Company | true | ||
| Elected Not To Use the Extended Transition Period | false | ||
| Entity Shell Company | true | ||
| Entity Public Float | $ 213,727,500 | ||
| Entity Common Stock, Shares Outstanding | 25,799,375 | ||
| Document Financial Statement Error Correction [Flag] | false | ||
| Units, each consisting of one ordinary share, $0.0001 par value, and one-half of one redeemable warrant | |||
| Title of 12(b) Security | Units, each consisting of one ordinary share, $0.0001 par value, and one-half of one redeemable warrant | ||
| Trading Symbol | LEGT U | ||
| Security Exchange Name | NYSEAMER | ||
| Ordinary Shares, par value $0.0001 per share | |||
| Title of 12(b) Security | Ordinary Shares, par value $0.0001 per share | ||
| Trading Symbol | LEGT | ||
| Security Exchange Name | NYSEAMER | ||
| Redeemable warrants, exercisable for ordinary shares at an exercise price of $11.50 per share | |||
| Title of 12(b) Security | Redeemable warrants, exercisable for ordinary shares at an exercise price of $11.50 per share | ||
| Trading Symbol | LEGT WS | ||
| Security Exchange Name | NYSEAMER |