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

Inventories - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Inventory Disclosure [Abstract]
Reserve for inventory valuation	$ 11.0	$ 12.0
Percentage of reserve for inventory valuation	11.50%	19.80%

Amount of valuation reserve for inventory.