COVER - shares	6 Months Ended
	Jun. 30, 2021	Jul. 23, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2021
Entity File Number	1-11846
Entity Registrant Name	AptarGroup, Inc
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-3853103
Entity Address, Address Line One	265 EXCHANGE DRIVE
Entity Address, Address Line Two	SUITE 100
Entity Address, City or Town	CRYSTAL LAKE
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60014
City Area Code	815
Local Phone Number	477-0424
Title of 12(b) Security	Common Stock, $.01 par value
Trading Symbol	ATR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		65,959,499
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000896622
Amendment Flag	false