CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net Income	$ 242,227	$ 194,766	$ 220,029
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	(8,727)	(62,914)	74,404
Changes in treasury locks, net of tax		17	28
Gain (loss) on derivatives, net of tax	(37)	1,547	(3,186)
Defined benefit pension plan, net of tax
Actuarial gain / (loss), net of tax	(25,877)	5,292	(7,906)
Prior service cost, net of tax	320	(26)	(1,038)
Amortization of prior service cost included in net income, net of tax	2,541	533	296
Amortization of net loss included in net income, net of tax	332	4,991	3,828
Total defined benefit pension plan, net of tax	(22,684)	10,790	(4,820)
Total other comprehensive income (loss)	(31,448)	(50,560)	66,426
Comprehensive Income	210,779	144,206	286,455
Comprehensive (Income) Loss Attributable to Noncontrolling Interests	21	16	(18)
Comprehensive Income Attributable to AptarGroup, Inc.	$ 210,800	$ 144,222	$ 286,437