CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net Sales	$ 3,227,221	$ 2,929,340	$ 2,859,732
Operating Expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	2,070,538	1,842,821	1,818,398
Selling, research & development and administrative	551,242	500,229	454,617
Depreciation and amortization	234,853	220,300	194,552
Restructuring initiatives	23,240	26,492	20,472
Total Operating Expenses	2,879,873	2,589,842	2,488,039
Operating Income	347,348	339,498	371,693
Other (Expense) Income:
Interest expense	(30,284)	(33,244)	(35,489)
Interest income	3,668	958	4,174
Net investment gain	4,709	3,064	0
Equity in results of affiliates	(692)	(1,443)	135
Miscellaneous, net	(3,094)	(7,678)	1,556
Total Other (Expense) Income	(25,693)	(38,343)	(29,624)
Income before Income Taxes	321,655	301,155	342,069
Provision for Income Taxes	78,017	87,065	99,842
Net Income	243,638	214,090	242,227
Net Loss (Income) Attributable to Noncontrolling Interests	459	(50)	(25)
Net Income Attributable to AptarGroup, Inc.	$ 244,097	$ 214,040	$ 242,202
Net Income Attributable to AptarGroup, Inc. per Common Share:
Basic (in dollars per share)	$ 3.72	$ 3.32	$ 3.81
Diluted (in dollars per share)	3.61	3.21	3.66
Dividends per Common Share (in dollars per share)	$ 1.50	$ 1.44	$ 1.42