SEGMENT INFORMATION (Geographic Split of Net Sales and Property, Plant and Equipment ) (Details) (USD $) In Thousands, 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
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Net sales	$ 714,791	$ 691,875	$ 727,432	$ 718,573	$ 684,648	$ 697,552	$ 744,045	$ 727,122	$ 2,852,671	$ 2,853,367	$ 2,694,609
Total property, plant and equipment, net	484,005				486,236				484,005	486,236	470,451
United States
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Net sales									1,350,309	1,283,066	1,092,838
Total property, plant and equipment, net	162,357				170,831				162,357	170,831	149,637
China
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Net sales									219,490	229,996	286,121
Total property, plant and equipment, net	83,416				92,744				83,416	92,744	96,374
Other foreign countries
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Net sales									1,282,872	1,340,305	1,315,650
Total property, plant and equipment, net	238,685				223,050				238,685	223,050	224,801
Corporate / Eliminations
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Total property, plant and equipment, net	$ (453)				$ (389)				$ (453)	$ (389)	$ (361)