v3.19.3.a.u2
Document and Entity Information - shares
3 Months Ended
Nov. 30, 2019
Jan. 06, 2020
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Nov. 30, 2019  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Title of 12(b) Security Class A Common Stock, $0.001 par value per share  
Trading Symbol KRUS  
Security Exchange Name NASDAQ  
Entity Registrant Name KURA SUSHI USA, INC.  
Entity Central Index Key 0001772177  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --08-31  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company false  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity File Number 001-39012  
Entity Tax Identification Number 26-3808434  
Entity Address, Address Line One 17932 Sky Park Circle  
Entity Address, Address Line Two Suite H  
Entity Address, City or Town Irvine  
Entity Address, State or Province CA  
Entity Incorporation, State or Country Code DE  
Entity Address, Postal Zip Code 92614  
City Area Code 657  
Local Phone Number 333-4100  
Document Quarterly Report true  
Document Transition Report false  
Class A    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   7,335,000
Class B    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,000,050