GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Changes in the carrying amount of goodwill
Goodwill beginning balance	$ 945,632	$ 974,157
Acquisition	4,717	3,029
Foreign currency exchange effects	13,069	(31,554)
Reclassification due to segment change	0
Goodwill ending balance	963,418	945,632
Operating Segments | Aptar Pharma
Changes in the carrying amount of goodwill
Goodwill beginning balance	498,742	520,197
Acquisition	0	3,029
Foreign currency exchange effects	9,705	(24,484)
Reclassification due to segment change	0
Goodwill ending balance	508,447	498,742
Operating Segments | Aptar Beauty
Changes in the carrying amount of goodwill
Goodwill beginning balance	319,011	325,719
Acquisition	4,603	0
Foreign currency exchange effects	2,955	(6,708)
Reclassification due to segment change	(39,472)
Goodwill ending balance	287,097	319,011
Operating Segments | Aptar Closures
Changes in the carrying amount of goodwill
Goodwill beginning balance	127,879	128,241
Acquisition	114	0
Foreign currency exchange effects	409	(362)
Reclassification due to segment change	39,472
Goodwill ending balance	$ 167,874	$ 127,879