| Document And Entity Information | Apr. 30, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Apr. 30, 2020 |
| Entity Registrant Name | SPECTRUM BRANDS HOLDINGS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-4219 |
| Entity Tax Identification Number | 74-1339132 |
| Entity Address, Address Line One | 3001 Deming Way |
| Entity Address, City or Town | Middleton |
| Entity Address, State or Province | WI |
| Entity Address, Postal Zip Code | 53562 |
| City Area Code | 608 |
| Local Phone Number | 275-3340 |
| 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 | SPB |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0000109177 |
