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GOODWILL AND OTHER INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 77,525 us-gaap_FiniteLivedIntangibleAssetsGross |  | $ 85,506 us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization | (42,315)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |  | (45,461)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Net Value | 35,210 us-gaap_FiniteLivedIntangibleAssetsNet |  | 40,045 us-gaap_FiniteLivedIntangibleAssetsNet
Aggregate amortization expense | 1,081 us-gaap_AmortizationOfIntangibleAssets | 1,398 us-gaap_AmortizationOfIntangibleAssets |
Future estimated amortization expense |  |  |
2016 | 3,554 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo |  |
2017 | 3,132 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree |  |
2018 | 3,133 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour |  |
2019 and thereafter | 22,336 atr_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter |  |
2015 | 3,055 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear |  |
Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 9 years |  |
Patents |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | 15,216 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |  | 17,001 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember
Accumulated Amortization | (15,135)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |  | (16,852)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember
Net Value | 81 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |  | 149 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember
Patents | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 7 years |  |
Acquired technology |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | 31,712 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember |  | 35,701 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember
Accumulated Amortization | (6,871)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember |  | (5,950)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember
Net Value | 24,841 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember |  | 29,751 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember
Acquired technology | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 15 years |  |
License agreements and other |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | 30,597 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember |  | 32,804 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember
Accumulated Amortization | (20,309)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember |  | (22,659)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember
Net Value | $ 10,288 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember |  | $ 10,145 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember
License agreements and other | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 5 years |  |

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