CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Net Sales	$ 966,009	$ 910,063	$ 1,853,314	$ 1,825,511
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	598,994	567,440	1,149,885	1,150,196
Selling, research & development and administrative	151,139	149,330	306,416	302,110
Depreciation and amortization	69,904	64,968	135,551	129,317
Restructuring initiatives	1,579	2,315	3,621	5,795
​Total Operating Expenses	821,616	784,053	1,595,473	1,587,418
Operating Income	144,393	126,010	257,841	238,093
Other (Expense) Income:
Interest expense	(10,850)	(10,061)	(22,201)	(20,236)
Interest income	1,880	3,102	4,694	6,000
Net investment gain (loss)	2,102	(140)	1,006	452
Equity in results of affiliates	2,309	130	4,395	(91)
Miscellaneous expense, net	(120)	(795)	(6)	(1,654)
​Total Other Expense	(4,679)	(7,764)	(12,112)	(15,529)
Income before Income Taxes	139,714	118,246	245,729	222,564
Provision for Income Taxes	27,982	27,788	55,334	49,173
Net Income	111,732	90,458	190,395	173,391
Net (Income) Loss Attributable to Noncontrolling Interests	(12)	(4)	123	167
Net Income Attributable to AptarGroup, Inc.	$ 111,720	$ 90,454	$ 190,518	$ 173,558
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 1.69	$ 1.36	$ 2.88	$ 2.62
Diluted (in dollars per share)	$ 1.67	$ 1.34	$ 2.83	$ 2.57
Average Number of Shares Outstanding:
Basic (in shares)	65,995	66,312	66,132	66,188
Diluted (in shares)	67,048	67,575	67,262	67,509
Dividends per Common Share (in dollars per share)	$ 0.45	$ 0.41	$ 0.90	$ 0.82