COMMITMENTS AND CONTINGENCIES (Details) (Indemnification agreements, USD $)	Dec. 31, 2014
Indemnification agreements
Commitments and contingencies
Liabilities recorded under indemnification agreements	$ 0

The amount of liabilities recorded as of the balance sheet date under indemnification agreements.

No definition available.

Name:	atr_LossContingencyIndemnificationAgreementsLiability
Namespace Prefix:	atr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant