CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net Income	$ 63,735	$ 56,769	$ 160,845	$ 193,689
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	42,425	(42,540)	19,292	(42,737)
Changes in derivative (losses) gains, net of tax	(147)	279	603	(593)
Defined benefit pension plan, net of tax
Amortization of prior service cost included in net income, net of tax	73	82	216	249
Amortization of net loss included in net income, net of tax	1,490	631	4,423	1,901
Total defined benefit pension plan, net of tax	1,563	713	4,639	2,150
Total other comprehensive income (loss)	43,841	(41,548)	24,534	(41,180)
Comprehensive Income	107,576	15,221	185,379	152,509
Comprehensive Income Attributable to Noncontrolling Interests	(28)	(7)	(47)	(8)
Comprehensive Income Attributable to AptarGroup, Inc.	$ 107,548	$ 15,214	$ 185,332	$ 152,501