Document and Entity Information - USD ($)	12 Months Ended
	Mar. 03, 2018	Apr. 27, 2018	Aug. 26, 2017
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Mar. 03, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Trading Symbol	PIR
Entity Registrant Name	PIER 1 IMPORTS INC/DE
Entity Central Index Key	0000278130
Current Fiscal Year End Date	--03-03
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		82,968,675
Entity Public Float			$ 338,171,797