Document and Entity Information - shares	6 Months Ended
	Sep. 01, 2018	Oct. 05, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 01, 2018
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
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		85,215,294