RETIREMENT AND DEFERRED COMPENSATION PLANS - Defined Contribution and Other Plans Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
United States
Defined contribution plan
Total contributions by company	$ 5.0	$ 5.0	$ 4.5
United States | Aptar Retirement Savings Account
Defined contribution plan
Total contributions by company	$ 2.7	2.0	0.7
United States | Maximum
Defined contribution plan
Employer matching contribution as a percentage of salary	3.00%
United States | Maximum | Aptar Retirement Savings Account
Defined contribution plan
Employer matching contribution as a percentage of salary	5.00%
Foreign Plans
Defined contribution plan
Total contributions by company	$ 3.1	$ 2.9	$ 2.9