Astronics Corporation Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Loss and Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	Oct. 01, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Shareholders’ Equity	$ 329,371	$ 300,225
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Shareholders’ Equity	(6,617)	(7,971)
Retirement Liability Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Retirement Liability Adjustment – Before Tax	(10,310)	(10,912)
Tax Benefit	3,609	3,819
Total Shareholders’ Equity	(6,701)	(7,093)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Shareholders’ Equity	$ (13,318)	$ (15,064)