QUARTERLY DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
QUARTERLY DATA (UNAUDITED)
Net Sales	$ 546,773	$ 586,290	$ 594,275	$ 589,811	$ 599,185	$ 651,942	$ 670,631	$ 676,051	$ 2,317,149	$ 2,597,809	$ 2,520,013
Gross profit	152,584	170,498	185,917	170,853	154,829	171,547	182,483	186,791	679,852	695,650
Net Income	43,393	53,262	57,541	45,099	41,512	48,620	53,084	48,408	199,295	191,624	171,926
Net Income Attributable to AptarGroup, Inc.	$ 43,391	$ 53,247	$ 57,539	$ 45,171	$ 41,598	$ 48,595	$ 53,076	$ 48,389	$ 199,348	$ 191,658	$ 171,994
Net Income Attributable to AptarGroup, Inc. Per Common Share:
Basic (in dollars per share)	$ 0.69	$ 0.85	$ 0.92	$ 0.73	$ 0.65	$ 0.75	$ 0.81	$ 0.74	$ 3.19	$ 2.95	$ 2.60
Diluted (in dollars per share)	0.68	0.83	0.90	0.70	0.63	0.73	0.79	0.71	3.09	2.85	$ 2.52
Dividends per Common Share (in dollars per share)	0.30	0.28	0.28	0.28	0.28	0.28	0.28	0.25	1.14	1.09
Stock price high (in dollars per share)	75.96	70.34	66.31	67.68	68.67	68.00	67.84	68.78	75.96	68.78
Stock price low (in dollars per share)	$ 65.79	$ 60.73	$ 61.98	$ 61.39	$ 55.59	$ 60.52	$ 64.54	$ 61.18	$ 60.73	$ 55.59
Average number of shares outstanding:
Basic (in shares)	62,461	62,886	62,697	62,292	64,368	64,886	65,328	65,468	62,585	65,009	66,090
Diluted (in shares)	64,266	64,454	64,276	64,494	66,121	66,845	67,438	68,232	64,492	67,292	68,208