SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	9 Months Ended
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	Sep. 30, 2022
Accounting Policies [Abstract]
BASIS OF PRESENTATION	BASIS OF PRESENTATION The accompanying unaudited Condensed Consolidated Financial Statements include the accounts of AptarGroup, Inc. and our subsidiaries. The terms “AptarGroup”, “Aptar”, “Company”, “we”, “us” or “our” as used herein refer to AptarGroup, Inc. and our subsidiaries. All significant intercompany accounts and transactions have been eliminated. In the opinion of management, the unaudited Condensed Consolidated Financial Statements (the “Condensed Consolidated Financial Statements”) include all normal recurring adjustments necessary for a fair statement of consolidated financial position, results of operations, comprehensive income, changes in equity and cash flows for the interim periods presented. The accompanying Condensed Consolidated Financial Statements have been prepared by the Company, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations, although we believe that the disclosures made are adequate to make the information presented not misleading. Also, certain financial position data included herein was derived from the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2021 but does not include all disclosures required by U.S. GAAP. Accordingly, these Condensed Consolidated Financial Statements and related notes should be read in conjunction with the audited Consolidated Financial Statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2021. The results of operations of any interim period are not necessarily indicative of the results that may be expected for the year. Beginning July 1, 2018, we have applied highly inflationary accounting for our Argentinian subsidiary pursuant to U.S. GAAP. We have changed the functional currency from the Argentinian peso to the U.S. dollar and remeasured our peso denominated assets and liabilities using the official rate. In September 2019, the President of Argentina reinstituted exchange controls restricting foreign currency purchases in an attempt to stabilize Argentina’s financial markets. As a result of these currency controls, a legal mechanism known as the Blue Chip Swap emerged in Argentina for reporting entities to transfer U.S. dollars. The Blue Chip Swap rate has diverged significantly from Argentina’s “official rate” due to the economic environment. During the second quarter of 2020, we transferred U.S. dollars into Argentina through the Blue Chip Swap method. During the third quarter of 2021, we utilized the Blue Chip Swap and recognized a gain of $1.4 million. Our Argentinian operations contributed less than 1.5% of consolidated net assets and revenues as of and for the nine months ended September 30, 2022. The COVID-19 pandemic resulted in disruptions to the global economy and supply chains. As the rates of transmission have slowed in many regions during 2022, we have seen several of our impacted applications return to more normal volume levels. We have seen improvement in sales of our products to our prescription, beauty, hair care and sun care customers as people return to more active lifestyles. However, we have also seen more normal volumes in some of the applications which benefited from the pandemic, such as our personal cleansing and surface cleaner products, food applications, active material science solutions and injectables components. While some countries continue to experience disruptions due to efforts to eliminate the virus, we do not believe these impacts will be material to our business based on the current environment. As of September 30, 2022, the war in Ukraine has not had a significant direct impact on our business, though the near-term visibility for this situation is expected to remain fluid and uncertain for the next several quarters. However, we have experienced some indirect impacts on our business, including higher energy and other input costs as well as certain supply chain disruptions.
ADOPTION OF RECENT ACCOUNTING STANDARDS	ADOPTION OF RECENT ACCOUNTING STANDARDS Changes to U.S. GAAP are established by the Financial Accounting Standards Board (“FASB”) in the form of Accounting Standards Updates (“ASUs”) to the FASB’s Accounting Standards Codification. In November 2021, the FASB issued ASU 2021-10, Government Assistance (Topic 832): Disclosures by Business Entities about Government Assistance. This update requires annual disclosures about transactions with a government that are accounted for by applying a grant or contribution accounting model by analogy including the nature of the transaction, the financial statement line items affected by the transaction and any significant terms and conditions associated with the transactions. We adopted this guidance in the fourth quarter of 2021 using the prospective approach. In March 2020, the FASB issued ASU 2020-04, which provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments to this update apply only to contracts, hedging relationships and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. ASU 2020-04 was further amended in January 2021 by ASU 2021-01 which clarified the applicability of certain provisions. Both standards are effective upon issuance and can be adopted any time prior to December 31, 2022. The guidance in ASU 2020-04 and ASU 2021-01 is optional and may be elected over time as reference rate reform activities occur. During 2021, we amended the revolving credit facility to provide mechanics relating to a transition away from LIBOR (in the case of USD) and the designated benchmark rates for other available currencies and the replacement of any such applicable benchmark by a replacement alternative benchmark rate or mechanism for loans made in the applicable currency. We are evaluating any further impact this standard may have on our Condensed Consolidated Financial Statements and anticipate no further significant impacts. Other accounting standards that have been issued by the FASB or other standards-setting bodies did not have a material impact on our Condensed Consolidated Financial Statements.
INCOME TAXES	INCOME TAXES We compute taxes on income in accordance with the tax rules and regulations of the many taxing authorities where income is earned. The income tax rates imposed by these taxing authorities may vary substantially. Taxable income may differ from pre-tax income for financial accounting purposes. To the extent that these differences create timing differences between the tax basis of an asset or liability and our reported amount in the financial statements, an appropriate provision for deferred income taxes is made. The tax rate for the three months ended September 30, 2022 reflects an out-of-period charge of $7.2 million for taxes due to a legal entity reorganization to enhance the Company's dividend and cash management capabilities. The tax charge contributed 8.5% to the impact on the effective tax rate for the three months ended September 30, 2022. The tax charge should have been recognized in the three months ended March 31, 2022. The impacts of the error on the three months ended March 31, 2022 and the three months ended September 30, 2022 are not considered material to either period. We maintain our assertion that the cash and distributable reserves at our non-U.S. affiliates are indefinitely reinvested. As of September 30, 2022, under currently enacted laws, we do not have a balance of foreign earnings that will be subject to U.S. taxation upon repatriation. We will provide for the necessary withholding and local income taxes when management decides that an affiliate should make a distribution. These decisions are made taking into consideration the financial requirements of the non-U.S. affiliates and our global cash management goals. We provide a liability for the amount of unrecognized tax benefits from uncertain tax positions. This liability is provided whenever we determine that a tax benefit will not meet a more-likely-than-not threshold for recognition. We are subject to the examination of our returns and other tax matters by the U.S. Internal Revenue Service and other tax authorities and governmental bodies. We believe that we have adequately provided a tax reserve for any adjustments that may result from tax examinations or uncertain tax positions. However, the outcome of tax audits cannot be predicted with certainty. If any issues addressed in our tax audits are resolved in a manner inconsistent with our expectations, we could be required to adjust our provision for income taxes in the period such resolution occurs. The resolution of each of these audits is not expected to be material to our Condensed Consolidated Financial Statements.

Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.