Document And Entity Information - USD ($)	12 Months Ended
	Feb. 25, 2018	May 04, 2018	Aug. 25, 2017
Document Information [Line Items]
Entity Registrant Name	PARK ELECTROCHEMICAL CORP
Entity Central Index Key	0000076267
Trading Symbol	pke
Current Fiscal Year End Date	--02-25
Entity Filer Category	Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		20,241,571
Entity Public Float			$ 356,917,751
Document Type	10-K
Document Period End Date	Feb. 25, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Amendment Flag	false