CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net Sales	$ 910,063	$ 895,906	$ 1,825,511	$ 1,755,973
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	567,440	573,711	1,150,196	1,131,133
Selling, research & development and administrative	149,330	141,428	302,110	289,351
Depreciation and amortization	64,968	62,267	129,317	121,526
Restructuring initiatives	2,315	1,943	5,795	13,467
​Total Operating Expenses	784,053	779,349	1,587,418	1,555,477
Operating Income	126,010	116,557	238,093	200,496
Other (Expense) Income:
Interest expense	(10,061)	(9,688)	(20,236)	(19,916)
Interest income	3,102	648	6,000	1,320
Net investment (loss) gain	(140)	2,891	452	3,079
Equity in results of affiliates	130	643	(91)	512
Miscellaneous expense, net	(795)	(173)	(1,654)	(1,344)
​Total Other Expense	(7,764)	(5,679)	(15,529)	(16,349)
Income before Income Taxes	118,246	110,878	222,564	184,147
Provision for Income Taxes	27,788	27,831	49,173	46,514
Net Income	90,458	83,047	173,391	137,633
Net (Gain) Loss Attributable to Noncontrolling Interests	(4)	25	167	203
Net Income Attributable to AptarGroup, Inc.	$ 90,454	$ 83,072	$ 173,558	$ 137,836
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 1.36	$ 1.27	$ 2.62	$ 2.11
Diluted (in dollars per share)	$ 1.34	$ 1.24	$ 2.57	$ 2.07
Average Number of Shares Outstanding:
Basic (in shares)	66,312	65,568	66,188	65,470
Diluted (in shares)	67,575	66,855	67,509	66,748
Dividends per Common Share (in dollars per share)	$ 0.41	$ 0.38	$ 0.82	$ 0.76