Astronics Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Retirement Plans and Related Post Retirement Benefits - Additional Information (Detail)

Retirement Plans and Related Post Retirement Benefits - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended
	Jan. 01, 2014	Dec. 31, 2014 RetirementPlans	Dec. 31, 2013	Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Number of non-qualified supplemental retirement defined benefit plans		2
Accumulated benefit obligation of the plans		$ 16,500,000	$ 10,100,000
Assets existing for retirement plans		0	0
Unrecognized prior service costs		3,100,000
Unrecognized prior service costs, net		4,800,000
Unrecognized prior service costs, tax		1,700,000
Unrecognized actuarial losses		5,100,000
Unrecognized actuarial losses, net		7,800,000
Unrecognized actuarial losses, net of taxes		2,700,000
Net periodic pension cost		300,000
Net periodic pension cost net of tax		500,000
Net periodic pension cost, tax		200,000
Defined benefit plan amortization of net gains losses		300,000
Defined benefit plan amortization of net gains losses,Net		500,000
Defined benefit plan amortization of net gains losses net of taxes		200,000
Current accrued pension liability		300,000
Long-term accrued pension liability		20,700,000
Expected benefit payments		300,000
Expected benefit payments, year two		300,000
Expected benefit payments, year three		300,000
Expected benefit payments, year four		300,000
Expected benefit payments, year five		300,000
Benefits to be paid in each of the next five years		1,800,000
Percentage of fund	90.70%
Contributions of employer		900,000	300,000
Total employer contribution		1.00%
Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Annual increase in the cost of health care benefits				6.10%	5.60%
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Annual increase in the cost of health care benefits range		3.80%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Annual increase in the cost of health care benefits range		6.60%
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service costs		100,000
Unrecognized actuarial losses		300,000
Unrecognized actuarial losses, net of taxes		200,000
Current accrued pension liability		100,000
Long-term accrued pension liability		900,000
Benefits to be paid in each of the next five years		300,000
Change in retirement benefit obligation		100,000
SERP [Member] \| Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected benefit payments, year five		$ 100,000