v3.24.2
Cover - shares
9 Months Ended
Jun. 01, 2024
Jun. 17, 2024
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 01, 2024  
Document Transition Report false  
Entity File Number 1-14130  
Entity Registrant Name MSC INDUSTRIAL DIRECT CO., INC.  
Entity Incorporation, State or Country Code NY  
Entity Tax Identification Number 11-3289165  
Entity Address, Address Line One 515 Broadhollow Road  
Entity Address, Address Line Two Suite 1000  
Entity Address, City or Town Melville  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 11747  
City Area Code 516  
Local Phone Number 812-2000  
Title of 12(b) Security Class A Common Stock, par value $0.001 per share  
Trading Symbol MSM  
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   56,122,955
Entity Central Index Key 0001003078  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --08-31  
Amendment Flag false