CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 243,638	$ 214,090	$ 242,227
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	(71,742)	79,109	(8,727)
Changes in derivative gains (losses), net of tax	1,307	315	(37)
Defined benefit pension plan, net of tax
Actuarial gain (loss), net of tax	26,409	(27,268)	(25,877)
Prior service cost, net of tax	0	1,879	320
Amortization of prior service cost included in net income, net of tax	127	294	2,541
Amortization of net loss included in net income, net of tax	9,300	5,920	332
Total defined benefit pension plan, net of tax	35,836	(19,175)	(22,684)
Total other comprehensive (loss) income	(34,599)	60,249	(31,448)
Comprehensive Income	209,039	274,339	210,779
Comprehensive Loss (Income) Attributable to Noncontrolling Interests	726	(60)	(21)
Comprehensive Income Attributable to AptarGroup, Inc.	$ 209,765	$ 274,279	$ 210,758