GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Changes in the carrying amount of goodwill
Goodwill, beginning balance	$ 963,418
Foreign currency exchange effects	4,875
Goodwill, ending balance	968,293
Operating segment | Aptar Pharma
Changes in the carrying amount of goodwill
Goodwill, beginning balance	508,447
Foreign currency exchange effects	4,062
Goodwill, ending balance	512,509
Operating segment | Aptar Beauty
Changes in the carrying amount of goodwill
Goodwill, beginning balance	287,097
Foreign currency exchange effects	986
Goodwill, ending balance	288,083
Operating segment | Aptar Closures
Changes in the carrying amount of goodwill
Goodwill, beginning balance	167,874
Foreign currency exchange effects	(173)
Goodwill, ending balance	$ 167,701