CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 46,894	$ 63,735	$ 186,107	$ 160,845
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	(30,410)	42,425	(57,783)	19,292
Changes in derivative gains (losses), net of tax	230	(147)	1,039	603
Defined benefit pension plan, net of tax
Actuarial gain, net of tax	87	0	529	0
Amortization of prior service cost included in net income, net of tax	25	73	90	216
Amortization of net loss included in net income, net of tax	2,333	1,490	7,041	4,423
Total defined benefit pension plan, net of tax	2,445	1,563	7,660	4,639
Total other comprehensive (loss) income	(27,735)	43,841	(49,084)	24,534
Comprehensive Income	19,159	107,576	137,023	185,379
Comprehensive Loss (Income) Attributable to Noncontrolling Interests	832	(28)	847	(47)
Comprehensive Income Attributable to AptarGroup, Inc.	$ 19,991	$ 107,548	$ 137,870	$ 185,332