v3.7.0.1
Document and Entity Information - shares
6 Months Ended
Jul. 29, 2017
Aug. 24, 2017
Entity Registrant Name BON TON STORES INC  
Entity Central Index Key 0000878079  
Document Type 10-Q  
Document Period End Date Jul. 29, 2017  
Amendment Flag false  
Current Fiscal Year End Date --02-03  
Entity Current Reporting Status Yes  
Entity Filer Category Smaller Reporting Company  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Common Stock    
Entity Common Stock, Shares Outstanding   18,570,320
Class A Common Stock    
Entity Common Stock, Shares Outstanding   2,951,490