CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net Sales	$ 915,448	$ 860,067
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	582,756	557,422
Selling, research & development and administrative	152,780	147,923
Depreciation and amortization	64,349	59,259
Restructuring initiatives	3,480	11,524
​Total Operating Expenses	803,365	776,128
Operating Income	112,083	83,939
Other (Expense) Income:
Interest expense	(10,175)	(10,228)
Interest income	2,898	672
Net investment gain	592	188
Equity in results of affiliates	(221)	(131)
Miscellaneous expense, net	(859)	(1,171)
​Total Other Expense	(7,765)	(10,670)
Income before Income Taxes	104,318	73,269
Provision for Income Taxes	21,385	18,683
Net Income	82,933	54,586
Net Loss Attributable to Noncontrolling Interests	171	178
Net Income Attributable to AptarGroup, Inc.	$ 83,104	$ 54,764
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 1.26	$ 0.84
Diluted (in dollars per share)	$ 1.23	$ 0.82
Average Number of Shares Outstanding:
Basic (in shares)	66,064	65,372
Diluted (in shares)	67,432	66,735
Dividends per Common Share (in dollars per share)	$ 0.41	$ 0.38