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STOCK REPURCHASE PROGRAM (Details) (USD $) | 0 Months Ended | 12 Months Ended | 0 Months Ended
--- | --- | --- | ---
Oct. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 17, 2014
Stock repurchase program |  |  |  |  |
Number of shares repurchased |  | 4,500,000us-gaap_TreasuryStockSharesAcquired | 2,000,000us-gaap_TreasuryStockSharesAcquired |  |
Aggregate amount of share repurchases (in dollars) |  | $ 340,517,000us-gaap_TreasuryStockValueAcquiredCostMethod | $ 118,813,000us-gaap_TreasuryStockValueAcquiredCostMethod | $ 79,793,000us-gaap_TreasuryStockValueAcquiredCostMethod |
Share repurchases authorized amount | 350,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount |  |  |  |
ASR Program |  |  |  |  |
Stock repurchase program |  |  |  |  |
Number of shares repurchased |  |  |  |  | 3,100,000us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = atr_AsrProgramMember
Aggregate amount of share repurchases (in dollars) |  |  |  |  | 250,000,000us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_ShareRepurchaseProgramAxis = atr_AsrProgramMember
Share repurchases authorized amount |  |  |  |  | $ 250,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount / us-gaap_ShareRepurchaseProgramAxis = atr_AsrProgramMember
Percentage of the total number of shares expected to be purchased in the ASR |  |  |  |  | 80.00%atr_AcceleratedShareRepurchaseProgramPercentageOfTotalSharesExpectedToBePurchased / us-gaap_ShareRepurchaseProgramAxis = atr_AsrProgramMember

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- Definition Percentage of the total number of shares expected to be purchased in the Accelerated Share Repurchase program. + References No definition available. + Details
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- Details
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- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Details
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