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GOODWILL AND OTHER INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Amortized intangible assets: |  |  |
Gross Carrying Amount | $ 85,506us-gaap_FiniteLivedIntangibleAssetsGross | $ 95,970us-gaap_FiniteLivedIntangibleAssetsGross |
Accumulated Amortization | (45,461)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | (46,019)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Net Value | 40,045us-gaap_FiniteLivedIntangibleAssetsNet | 49,951us-gaap_FiniteLivedIntangibleAssetsNet |
Aggregate amortization expense | 5,325us-gaap_AmortizationOfIntangibleAssets | 5,033us-gaap_AmortizationOfIntangibleAssets | 3,177us-gaap_AmortizationOfIntangibleAssets
Future estimated amortization expense |  |  |
2015 | 4,467us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths |  |
2016 | 3,887us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo |  |
2017 | 3,431us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree |  |
2018 | 3,432us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour |  |
2019 and thereafter | 24,828atr_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter |  |
Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 10 years |  |
Patents |  |  |
Amortized intangible assets: |  |  |
Gross Carrying Amount | 17,001us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | 20,165us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Accumulated Amortization | (16,852)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | (19,732)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Net Value | 149us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | 433us-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 | 35,701us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember | 40,546us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember |
Accumulated Amortization | (5,950)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember | (4,055)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember |
Net Value | 29,751us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentedTechnologyMember | 36,491us-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 | 32,804us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember | 35,259us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember |
Accumulated Amortization | (22,659)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember | (22,232)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember |
Net Value | $ 10,145us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember | $ 13,027us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atr_LicensingAgreementsAndOtherProductMember |
License agreements and other | Weighted Average |  |  |
Amortized intangible assets: |  |  |
Amortization Period | 5 years |  |

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