Business Operations (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Oct. 31, 2014
$ / shares
shares
Oct. 29, 2014
USD ($)
shares
Oct. 19, 2014
$ / shares
shares
Jun. 09, 2014
shares
Mar. 28, 2015
USD ($)
state
store
Apr. 01, 2017
USD ($)
state
Vote
store
$ / shares
shares
Dec. 24, 2016
store
Sep. 24, 2016
store
Jun. 25, 2016
store
Mar. 26, 2016
state
store
$ / shares
shares
Dec. 26, 2015
store
Sep. 26, 2015
store
Jun. 27, 2015
store
Jun. 08, 2014
Business Operations                            
Number of shares authorized     100,000,000     100,000,000       100,000,000        
Number of shares outstanding           26,561,523       26,349,387        
Number of votes per common share | Vote           1                
Number of stores | store         169 219 219 212 210 208 206 201 176  
Number of states in which the Company operates | state         26 31       29        
Ownership percentage of noncontrolling shareholders (as a percent)       5.00%                    
Non-controlling interest | $           $ 0                
Common stock, par value (in dollars per share) | $ / shares     $ 0.0001     $ 0.0001       $ 0.0001        
Preferred stock, shares authorized (in shares)     10,000,000     10,000,000       10,000,000        
Preferred stock, par value (in dollars per share) | $ / shares     $ 0.0001     $ 0.0001       $ 0.0001        
Stock split, conversion ratio     0.04                      
Net proceeds from initial public offering | $         $ 82,224                  
IPO and over-allotments                            
Business Operations                            
Shares issued (in shares) 5,750,000                          
Stock price (in dollars per share) | $ / shares $ 16.00                          
IPO                            
Business Operations                            
Shares issued (in shares)   5,000,000                        
Net proceeds from initial public offering | $   $ 82,200                        
Underwriting discount | $   6,400                        
Related fees and expenses | $   $ 3,300                        
Over-allotments                            
Business Operations                            
Shares issued (in shares) 750,000                          
Freeman Spogli & Co.                            
Business Operations                            
Number of shares outstanding           13,435,387       13,435,387        
WW Holding Corporation | Boot Barn Holding Corporation                            
Business Operations                            
Ownership percentage (as a percent)                           95.00%
Boot Barn Holding Corporation                            
Business Operations                            
Ownership percentage of noncontrolling shareholders (as a percent)                           5.00%
Number of shares issued (in shares)       1,000,000                    
American Worker                            
Business Operations                            
Number of stores | store           2