GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Changes in the carrying amount of goodwill
Goodwill, beginning balance	$ 945,632
Reclassification due to segment change	0
Acquisitions	3,769
Foreign currency exchange effects	7,507
Goodwill, ending balance	956,908
Operating segment | Aptar Pharma
Changes in the carrying amount of goodwill
Goodwill, beginning balance	498,742
Reclassification due to segment change	0
Acquisitions	0
Foreign currency exchange effects	5,302
Goodwill, ending balance	504,044
Operating segment | Aptar Beauty
Changes in the carrying amount of goodwill
Goodwill, beginning balance	319,011
Reclassification due to segment change	(39,472)
Acquisitions	3,655
Foreign currency exchange effects	1,922
Goodwill, ending balance	285,116
Operating segment | Aptar Closures
Changes in the carrying amount of goodwill
Goodwill, beginning balance	127,879
Reclassification due to segment change	39,472
Acquisitions	114
Foreign currency exchange effects	283
Goodwill, ending balance	$ 167,748