Document and Entity Information	9 Months Ended
Oct. 01, 2011
Entity Registrant Name	ASTRONICS CORP
Entity Central Index Key	0000008063
Document Type	10-Q
Document Period End Date	Oct. 01, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding	12,211,772
Common Class A Member
Entity Common Stock, Shares Outstanding	9,184,906
Common Class B Member
Entity Common Stock, Shares Outstanding	3,026,866

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