CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net Sales	$ 909,291	$ 892,997	$ 2,734,802	$ 2,648,970
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	558,511	566,691	1,708,707	1,697,824
Selling, research & development and administrative	141,604	138,137	443,714	427,488
Depreciation and amortization	67,015	62,686	196,332	184,212
Restructuring initiatives	3,864	6,161	9,659	19,628
​Total Operating Expenses	770,994	773,675	2,358,412	2,329,152
Operating Income	138,297	119,322	376,390	319,818
Other (Expense) Income:
Interest expense	(12,290)	(9,984)	(32,526)	(29,900)
Interest income	3,022	946	9,022	2,266
Net investment gain (loss)	1,043	(1,240)	1,495	1,839
Equity in results of affiliates	(77)	1,002	(168)	1,514
Miscellaneous income (expense), net	1,136	3	(518)	(1,341)
​Total Other Expense	(7,166)	(9,273)	(22,695)	(25,622)
Income before Income Taxes	131,131	110,049	353,695	294,196
Provision for Income Taxes	31,209	25,751	80,382	72,265
Net Income	99,922	84,298	273,313	221,931
Net Loss (Gain) Attributable to Noncontrolling Interests	117	(2)	284	201
Net Income Attributable to AptarGroup, Inc.	$ 100,039	$ 84,296	$ 273,597	$ 222,132
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 1.51	$ 1.28	$ 4.13	$ 3.39
Diluted (in dollars per share)	$ 1.48	$ 1.26	$ 4.05	$ 3.32
Average Number of Shares Outstanding:
Basic (in shares)	66,445	65,707	66,274	65,550
Diluted (in shares)	67,716	67,035	67,574	66,865
Dividends per Common Share (in dollars per share)	$ 0.45	$ 0.41	$ 1.27	$ 1.17