CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Net Sales	$ 836,860	$ 825,442	$ 2,526,335	$ 2,413,228
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	546,376	537,085	1,638,114	1,548,840
Selling, research & development and administrative	135,428	135,931	416,351	411,192
Depreciation and amortization	57,601	59,280	174,818	174,508
Restructuring initiatives	2,270	10,223	2,989	18,771
​Total Operating Expenses	741,675	742,519	2,232,272	2,153,311
Operating Income	95,185	82,923	294,063	259,917
Other (Expense) Income:
Interest expense	(9,756)	(8,011)	(30,668)	(22,601)
Interest income	752	401	2,029	1,406
Net investment gain (loss)	649	(9,021)	(1,084)	6,177
Equity in results of affiliates	178	(71)	(184)	(505)
Miscellaneous, net	(2,093)	13	(3,144)	(2,978)
​Total Other Expense	(10,270)	(16,689)	(33,051)	(18,501)
Income before Income Taxes	84,915	66,234	261,012	241,416
Provision for Income Taxes	30,738	19,340	80,851	55,309
Net Income	54,177	46,894	180,161	186,107
Net Loss Attributable to Noncontrolling Interests	67	366	131	381
Net Income Attributable to AptarGroup, Inc.	$ 54,244	$ 47,260	$ 180,292	$ 186,488
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 0.83	$ 0.72	$ 2.75	$ 2.84
Diluted (in dollars per share)	$ 0.81	$ 0.70	$ 2.70	$ 2.75
Average Number of Shares Outstanding:
Basic (in shares)	65,322	65,900	65,446	65,652
Diluted (in shares)	66,581	67,801	66,825	67,799
Dividends per Common Share (in dollars per share)	$ 0.38	$ 0.38	$ 1.14	$ 1.12