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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (EOO, USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2012
EOO |  |
BASIS OF PRESENTATION |  |
Accelerated depreciation | $ 1,576 | $ 1,576
Expense recognized related to the plan | $ 4,900 |

X
- Definition The amount of accelerated depreciation recognized in the current period. + References No definition available. + Details
Name: | atr_AcceleratedDepreciation
Namespace Prefix: | atr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan including accelerated depreciation expense. + References No definition available. + Details
Name: | atr_RestructuringChargesIncludingAcceleratedDepreciation
Namespace Prefix: | atr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration