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 (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Shareholders’ Equity	$ 347,723	$ 337,449
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Shareholders’ Equity	(6,106)	(8,597)
Retirement Liability Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Shareholders’ Equity	(6,635)	(6,897)
Retirement Liability Adjustment – Before Tax	(10,208)	(10,611)
Tax Benefit	3,573	3,714
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Shareholders’ Equity	$ (12,741)	$ (15,494)