CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Net Sales	$ 887,305	$ 915,448
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	550,891	582,756
Selling, research & development and administrative	155,277	152,780
Depreciation and amortization	65,647	64,349
Restructuring initiatives	2,042	3,480
​Total Operating Expenses	773,857	803,365
Operating Income	113,448	112,083
Other (Expense) Income:
Interest expense	(11,351)	(10,175)
Interest income	2,814	2,898
Net investment (loss) gain	(1,096)	592
Equity in results of affiliates	2,086	(221)
Miscellaneous income (expense), net	114	(859)
​Total Other Expense	(7,433)	(7,765)
Income before Income Taxes	106,015	104,318
Provision for Income Taxes	27,352	21,385
Net Income	78,663	82,933
Net Loss Attributable to Noncontrolling Interests	135	171
Net Income Attributable to AptarGroup, Inc.	$ 78,798	$ 83,104
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 1.19	$ 1.26
Diluted (in dollars per share)	$ 1.17	$ 1.23
Average Number of Shares Outstanding:
Basic (in shares)	66,271	66,064
Diluted (in shares)	67,491	67,432
Dividends per Common Share (in dollars per share)	$ 0.45	$ 0.41