GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Changes in the carrying amount of goodwill
Goodwill beginning balance	$ 963,418	$ 945,632
Reclassification due to segment change		0
Acquisition		4,717
Foreign currency exchange effects	(27,162)	13,069
Goodwill ending balance	936,256	963,418
Operating Segments | Aptar Pharma
Changes in the carrying amount of goodwill
Goodwill beginning balance	508,447	498,742
Reclassification due to segment change		0
Acquisition		0
Foreign currency exchange effects	(20,213)	9,705
Goodwill ending balance	488,234	508,447
Operating Segments | Aptar Beauty
Changes in the carrying amount of goodwill
Goodwill beginning balance	287,097	319,011
Reclassification due to segment change		(39,472)
Acquisition		4,603
Foreign currency exchange effects	(5,811)	2,955
Goodwill ending balance	281,286	287,097
Operating Segments | Aptar Closures
Changes in the carrying amount of goodwill
Goodwill beginning balance	167,874	127,879
Reclassification due to segment change		39,472
Acquisition		114
Foreign currency exchange effects	(1,138)	409
Goodwill ending balance	$ 166,736	$ 167,874