CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 55,274	$ 41,860	$ 139,213	$ 97,110
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	21,109	19,096	(27,373)	(23,133)
Changes in derivative gains (losses), net of tax	289	(733)	809	750
Defined benefit pension plan, net of tax
Actuarial gain, net of tax	123	0	442	0
Amortization of prior service cost included in net income, net of tax	32	72	65	143
Amortization of net loss included in net income, net of tax	2,354	1,368	4,708	2,933
Total defined benefit pension plan, net of tax	2,509	1,440	5,215	3,076
Total other comprehensive income (loss)	23,907	19,803	(21,349)	(19,307)
Comprehensive Income	79,181	61,663	117,864	77,803
Comprehensive Loss (Income) Attributable to Noncontrolling Interests	2	(22)	15	(19)
Comprehensive Income Attributable to AptarGroup, Inc.	$ 79,183	$ 61,641	$ 117,879	$ 77,784