CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 83,939	$ 55,250
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	(48,482)	(42,229)
Changes in derivative gains, net of tax	520	1,483
Defined benefit pension plan, net of tax
Actuarial gain, net of tax	319	0
Amortization of prior service cost included in net income, net of tax	33	71
Amortization of net loss included in net income, net of tax	2,354	1,565
Total defined benefit pension plan, net of tax	2,706	1,636
Total other comprehensive loss	(45,256)	(39,110)
Comprehensive Income	38,683	16,140
Comprehensive Loss Attributable to Noncontrolling Interests	13	3
Comprehensive Income Attributable to AptarGroup, Inc.	$ 38,696	$ 16,143