Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.8.0.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Feb. 16, 2018
Jul. 01, 2017
Document Information      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Trading Symbol ATRO    
Entity Registrant Name ASTRONICS CORPORATION    
Entity Central Index Key 0000008063    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 731
Common Class Undefined      
Document Information      
Entity Common Stock, Shares Outstanding   21,273,979  
Convertible Class B Stock      
Document Information      
Entity Common Stock, Shares Outstanding   6,792,785