QUARTERLY DATA (UNAUDITED) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
QUARTERLY DATA (UNAUDITED)
Net Sales	$ 637,295	$ 623,644	$ 641,441	$ 617,633	$ 571,437	$ 589,598	$ 577,503	$ 592,498	$ 2,520,013	$ 2,331,036	$ 2,337,183
Gross profit	165,543	163,677	172,721	164,213	144,391	148,214	154,998	159,223	666,154	606,826
Net Income	36,836	45,232	49,880	39,978	34,854	42,101	41,652	43,813	171,926	162,420	183,630
Net Income Attributable to AptarGroup, Inc.	$ 36,899	$ 45,264	$ 49,802	$ 40,029	$ 34,990	$ 42,127	$ 41,686	$ 43,809	$ 171,994	$ 162,612	$ 183,683
Net Income Attributable to AptarGroup, Inc. Per Common Share:
Basic (in dollars per share)	$ 0.56	$ 0.68	$ 0.75	$ 0.61	$ 0.53	$ 0.63	$ 0.63	$ 0.66	$ 2.60	$ 2.45	$ 2.76
Diluted (in dollars per share)	$ 0.54	$ 0.67	$ 0.73	$ 0.59	$ 0.52	$ 0.62	$ 0.61	$ 0.64	$ 2.52	$ 2.38	$ 2.65
Dividends declared (in dollars per share)	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 1.00	$ 0.88
Stock price high (in dollars per share)	$ 67.86	$ 60.75	$ 57.76	$ 57.47	$ 53.36	$ 53.19	$ 55.49	$ 55.00	$ 67.86	$ 55.49
Stock price low (in dollars per share)	$ 59.19	$ 55.36	$ 54.13	$ 48.14	$ 45.19	$ 47.56	$ 49.36	$ 51.01	$ 48.14	$ 45.19
Average number of shares outstanding:
Basic (in shares)	65,700	66,092	66,420	66,155	66,249	66,541	66,580	66,196	66,090	66,392	66,553
Diluted (in shares)	67,853	67,986	68,106	68,296	67,846	68,353	68,758	68,785	68,208	68,395	69,274