Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Oct. 02, 2021
Nov. 02, 2021
Document Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Oct. 02, 2021  
Document Transition Report false  
Entity File Number 0-7087  
Entity Registrant Name ASTRONICS CORPORATION  
Entity Incorporation, State or Country Code NY  
Entity Tax Identification Number 16-0959303  
Entity Address, Address Line One 130 Commerce Way  
Entity Address, City or Town East Aurora  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 14052  
City Area Code 716  
Local Phone Number 805-1599  
Title of 12(b) Security Common Stock, $.01 par value per share  
Trading Symbol ATRO  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   31,460,404
Entity Central Index Key 0000008063  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Amendment Flag false