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Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2024
Apr. 19, 2024
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2024  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q1  
Trading Symbol PLPC  
Entity Registrant Name Preformed Line Products Company  
Entity Central Index Key 0000080035  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell company false  
Entity Common Stock, Shares Outstanding   4,918,036
Entity File Number 0-31164  
Entity Tax Identification Number 34-0676895  
Entity Address, Address Line One 660 Beta Drive  
Entity Address, City or Town Mayfield Village  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 44143  
City Area Code 440  
Local Phone Number 461‑5200  
Document Quarterly Report true  
Document Transition Report false  
Title of 12(b) Security Common Shares, $2 par value per share  
Security Exchange Name NASDAQ  
Entity Incorporation, State or Country Code OH  
Entity Interactive Data Current Yes