Document and Entity Information - shares
9 Months Ended
Dec. 01, 2018
Jan. 04, 2019
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 01, 2018  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Trading Symbol PIR  
Entity Registrant Name PIER 1 IMPORTS INC/DE  
Entity Central Index Key 0000278130  
Current Fiscal Year End Date --03-02  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   85,006,386