QUARTERLY FINANCIAL DATA (Unaudited) (Details) - USD ($) $ / shares in Units, $ 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 FINANCIAL DATA (Unaudited)
NET SALES	$ 645,432	$ 756,619	$ 693,722	$ 626,791	$ 605,567	$ 635,972	$ 687,199	$ 536,129	$ 2,722,564	$ 2,464,867	$ 2,246,428
GROSS PROFIT	403,360	465,476	394,508	368,957	331,784	341,920	379,288	286,818	1,632,301	1,339,810	1,172,931
NET INCOME	$ 138,741	$ 174,574	$ 229,004	$ 4,414	$ 125,332	$ 121,600	$ 141,003	$ 95,250	$ 546,733	$ 483,185	$ 338,661
EARNINGS PER SHARE
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.68	$ 0.85	$ 1.29	$ 0.03	$ 0.75	$ 0.73	$ 0.84	$ 0.57	$ 2.90	$ 2.89	$ 2.03
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.67	$ 0.84	$ 1.26	$ 0.03	$ 0.72	$ 0.70	$ 0.81	$ 0.55	$ 2.84	$ 2.77	$ 1.95