CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net Sales	$ 844,543	$ 811,032	$ 1,689,475	$ 1,587,786
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	549,010	523,050	1,091,738	1,011,755
Selling, research & development and administrative	135,382	140,913	280,923	275,261
Depreciation and amortization	58,552	57,790	117,217	115,228
Restructuring initiatives	428	4,876	719	8,548
​Total Operating Expenses	743,372	726,629	1,490,597	1,410,792
Operating Income	101,171	84,403	198,878	176,994
Other (Expense) Income:
Interest expense	(11,982)	(7,175)	(20,912)	(14,590)
Interest income	989	624	1,277	1,005
Net investment (loss) gain	(483)	(1,611)	(1,733)	15,198
Equity in results of affiliates	(276)	81	(362)	(434)
Miscellaneous, net	52	(2,028)	(1,051)	(2,991)
​Total Other (Expense) Income	(11,700)	(10,109)	(22,781)	(1,812)
Income before Income Taxes	89,471	74,294	176,097	175,182
Provision for Income Taxes	25,858	19,020	50,113	35,969
Net Income	63,613	55,274	125,984	139,213
Net Income Attributable to Noncontrolling Interests	12	2	64	15
Net Income Attributable to AptarGroup, Inc.	$ 63,625	$ 55,276	$ 126,048	$ 139,228
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 0.97	$ 0.84	$ 1.92	$ 2.12
Diluted (in dollars per share)	$ 0.95	$ 0.81	$ 1.88	$ 2.05
Average Number of Shares Outstanding:
Basic (in shares)	65,475	65,818	65,509	65,525
Diluted (in shares)	66,900	68,086	66,969	67,869
Dividends per Common Share (in dollars per share)	$ 0.38	$ 0.38	$ 0.76	$ 0.74