v3.25.2
Cover - shares
9 Months Ended
Jun. 29, 2025
Aug. 01, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 29, 2025  
Document Transition Report false  
Entity File Number 1-4219  
Entity Registrant Name Spectrum Brands Holdings, Inc.  
Entity Tax Identification Number 74-1339132  
Entity Incorporation, State or Country Code DE  
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  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol SPB  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   24,207,034
Entity Central Index Key 0000109177  
Amendment Flag false  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --09-30  
Document Fiscal Year Focus 2025