Warranty (Detail)	12 Months Ended
Dec. 31, 2015
Minimum
Product Warranty Liability
Product warranty period	12 months
Maximum
Product Warranty Liability
Product warranty period	60 months

[Line Items] for Disclosure of information about product warranty liability, including, but not limited to, reductions in the liability for payments made under the warranty, changes in the liability for accruals related to product warranties issued, and changes in the liability for accruals related to preexisting warranties.

No definition available.

Name:	atro_ProductWarrantyLiabilityLineItems
Namespace Prefix:	atro_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration