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, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Net sales	$ 683,954	$ 715,777	$ 728,531	$ 685,062	$ 714,791	$ 691,875	$ 727,432	$ 718,573	$ 2,813,324	$ 2,852,671	$ 2,853,367
Total property, plant and equipment, net	437,209				484,005				437,209	484,005	486,236
United States
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Net sales									1,417,750	1,350,309	1,283,066
Total property, plant and equipment, net	171,746				162,357				171,746	162,357	170,831
China
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Net sales									190,035	219,490	229,996
Total property, plant and equipment, net	56,247				83,416				56,247	83,416	92,744
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									1,205,539	1,282,872	1,340,305
Total property, plant and equipment, net	209,640				238,685				209,640	238,685	223,050
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	$ (424)				$ (453)				$ (424)	$ (453)	$ (389)
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Maximum [Member]
Geographic split of the Company's net sales, based on the location of the customer, and property, plant and equipment
Concentration Risk, Percentage									10.00%	10.00%	10.00%