CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net Sales	$ 860,067	$ 844,932
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	557,422	542,728
Selling, research & development and administrative	147,923	145,541
Depreciation and amortization	59,259	58,665
Restructuring initiatives	11,524	291
​Total Operating Expenses	776,128	747,225
Operating Income	83,939	97,707
Other (Expense) Income:
Interest expense	(10,228)	(8,930)
Interest income	672	288
Net investment gain (loss)	188	(1,250)
Equity in results of affiliates	(131)	(86)
Miscellaneous, net	(1,171)	(1,103)
​Total Other Expense	(10,670)	(11,081)
Income before Income Taxes	73,269	86,626
Provision for Income Taxes	18,683	24,255
Net Income	54,586	62,371
Net Loss Attributable to Noncontrolling Interests	178	52
Net Income Attributable to AptarGroup, Inc.	$ 54,764	$ 62,423
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 0.84	$ 0.95
Diluted (in dollars per share)	$ 0.82	$ 0.93
Average Number of Shares Outstanding:
Basic (in shares)	65,372	65,543
Diluted (in shares)	66,735	67,146
Dividends per Common Share (in dollars per share)	$ 0.38	$ 0.38