Document And Entity Information - shares	9 Months Ended
	Nov. 25, 2018	Jan. 03, 2019
Document Information [Line Items]
Entity Registrant Name	PARK ELECTROCHEMICAL CORP
Entity Central Index Key	0000076267
Trading Symbol	pke
Current Fiscal Year End Date	--03-03
Entity Filer Category	Accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding (in shares)		20,279,408
Document Type	10-Q
Document Period End Date	Nov. 25, 2018
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false