Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.23.3
Document and Entity Information - USD ($)
$ in Billions
 12 Months Ended
Sep. 30, 2023
Nov. 20, 2023
Mar. 31, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Amendment Flag false    
Document Period End Date Sep. 30, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Trading Symbol LESL    
Entity Registrant Name LESLIE’S, INC.    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Central Index Key 0001821806    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Current Fiscal Year End Date --09-30    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 2.0
Entity Common Stock, Shares Outstanding   184,333,670  
Entity Shell Company false    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Transition Report false    
Entity File Number 001-39667    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-8397425    
Entity Address, Address Line One 2005 East Indian School Road    
Entity Address, City or Town Phoenix    
Entity Address, State or Province AZ    
Entity Address, Postal Zip Code 85016    
City Area Code 602    
Local Phone Number 366-3999    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

The information required by Part III of this Report, to the extent not set forth herein, is incorporated herein by reference from the Registrant’s definitive proxy statement relating to the Annual Meeting of Shareholders to be held in 2024, which definitive proxy statement shall be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year to which this Annual Report on Form 10-K relates.

    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Security Exchange Name NASDAQ    
Document Financial Statement Error Correction [Flag] false    
Auditor Name Ernst & Young LLP    
Auditor Location Phoenix, Arizona    
Auditor Firm ID 42