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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.

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Represents the maturity of the time deposits classified as short term investments.

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Represents the notice period required for the redemption anytime before the maturity of the time deposits classified as short term investments.

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Face amount or stated value per share of common stock.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of the effect of a change in accounting principle on diluted earnings per share.

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Amount of the effect of a change in accounting principle on net income.

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Amount of the effect of a change in accounting principle on operating profit or loss.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.

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Number of shares of common and preferred stock retired from treasury during the period.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Sep. 30, 2015 shares	Jun. 30, 2015 USD ($) $ / shares	Dec. 31, 2015 USD ($) segment item $ / shares	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Short Term Investments
Maturity of the deposit			2 years
Penalty for early redemption			$ 0
RETIREMENT OF TREASURY SHARES
Treasury stock shares retired \| shares	20
Common stock, par value (in dollars per share) \| $ / shares			$ 0.01
INCOME TAXES
Number of reportable segments \| segment			3
Dividends received from affiliates			$ 0	$ 0	$ 0
Expense recognized related to the plan					14,525
Foreign Currency Transaction Gain (Loss), before Tax			$ (3,900)	(37)	(6,300)
Number of reportable units \| item			4
Impairment of goodwill			$ 0
Adjustment for accelerated depreciation					1,500
Research and development expenses incurred net of customer funded research and development or government research and development credits			$ 67,100	$ 76,200	71,800
Minimum
Short Term Investments
Redemption period			35 days
Maximum
Short Term Investments
Redemption period			90 days
Accounting principle change
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Cumulative pre-tax effect		$ 7,400
Effect of change on net income attributable to AptarGroup		$ 4,800
Effect of change on net income attributable to AptarGroup per diluted share \| $ / shares		$ 0.08
Buildings and improvements \| Minimum
INCOME TAXES
Estimated useful lives			25 years
Buildings and improvements \| Maximum
INCOME TAXES
Estimated useful lives			40 years
Machinery and equipment \| Minimum
INCOME TAXES
Estimated useful lives			3 years
Machinery and equipment \| Maximum
INCOME TAXES
Estimated useful lives			10 years
European Restructuring Plan
INCOME TAXES
Accelerated depreciation					2,725
Expense recognized related to the plan					$ 14,600
Patents, non-compete agreements and license agreements \| Minimum
INCOME TAXES
Finite-Lived Intangible Asset, Useful Life			3 years
Patents, non-compete agreements and license agreements \| Maximum
INCOME TAXES
Finite-Lived Intangible Asset, Useful Life			20 years