CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net Sales	$ 895,906	$ 844,543	$ 1,755,973	$ 1,689,475
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	573,711	549,010	1,131,133	1,091,738
Selling, research & development and administrative	141,428	135,382	289,351	280,923
Depreciation and amortization	62,267	58,552	121,526	117,217
Restructuring initiatives	1,943	428	13,467	719
​Total Operating Expenses	779,349	743,372	1,555,477	1,490,597
Operating Income	116,557	101,171	200,496	198,878
Other (Expense) Income:
Interest expense	(9,688)	(11,982)	(19,916)	(20,912)
Interest income	648	989	1,320	1,277
Net investment gain (loss)	2,891	(483)	3,079	(1,733)
Equity in results of affiliates	643	(276)	512	(362)
Miscellaneous, net	(173)	52	(1,344)	(1,051)
​Total Other Expense	(5,679)	(11,700)	(16,349)	(22,781)
Income before Income Taxes	110,878	89,471	184,147	176,097
Provision for Income Taxes	27,831	25,858	46,514	50,113
Net Income	83,047	63,613	137,633	125,984
Net Loss Attributable to Noncontrolling Interests	25	12	203	64
Net Income Attributable to AptarGroup, Inc.	$ 83,072	$ 63,625	$ 137,836	$ 126,048
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 1.27	$ 0.97	$ 2.11	$ 1.92
Diluted (in dollars per share)	$ 1.24	$ 0.95	$ 2.07	$ 1.88
Average Number of Shares Outstanding:
Basic (in shares)	65,568	65,475	65,470	65,509
Diluted (in shares)	66,855	66,900	66,748	66,969
Dividends per Common Share (in dollars per share)	$ 0.38	$ 0.38	$ 0.76	$ 0.76