| Cover | Jun. 13, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 13, 2023 |
| Entity File Number | 001-41545 |
| Entity Registrant Name | MASTERBRAND, INC. |
| Entity Central Index Key | 0001941365 |
| Entity Tax Identification Number | 88-3479920 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | One MasterBrand |
| Entity Address, Address Line Two | Cabinets Drive |
| Entity Address, City or Town | Jasper |
| Entity Address, State or Province | IN |
| Entity Address, Postal Zip Code | 47546 |
| City Area Code | 812 |
| Local Phone Number | 482-2527 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value |
| Trading Symbol | MBC |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
