SEGMENT INFORMATION (Details 2) (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
Net sales and long-lived asset information by geographic area
Net Sales	$ 599,185	$ 651,942	$ 670,631	$ 676,051	$ 637,295	$ 623,644	$ 641,441	$ 617,633	$ 2,597,809	$ 2,520,013	$ 2,331,036
Plant, Property & Equipment	811,655				864,662				811,655	864,662	848,233
United States
Net sales and long-lived asset information by geographic area
Net Sales									642,060	634,418	650,637
Plant, Property & Equipment	192,265				226,917				192,265	226,917	191,697
Total Europe
Net sales and long-lived asset information by geographic area
Net Sales									1,506,992	1,452,041	1,269,289
Plant, Property & Equipment	471,426				550,909				471,426	550,909	526,365
France
Net sales and long-lived asset information by geographic area
Net Sales									850,817	810,528	650,226
Plant, Property & Equipment	228,049				263,913				228,049	263,913	251,015
Germany
Net sales and long-lived asset information by geographic area
Net Sales									363,898	339,858	311,205
Plant, Property & Equipment	136,491				156,970				136,491	156,970	137,203
Italy
Net sales and long-lived asset information by geographic area
Net Sales									141,808	136,617	144,163
Plant, Property & Equipment	48,940				57,729				48,940	57,729	65,743
Other Europe
Net sales and long-lived asset information by geographic area
Net Sales									150,469	165,038	163,695
Plant, Property & Equipment	57,946				72,297				57,946	72,297	72,404
Other Foreign Countries
Net sales and long-lived asset information by geographic area
Net Sales									448,757	433,554	411,110
Plant, Property & Equipment	$ 147,964				$ 86,836				$ 147,964	$ 86,836	$ 130,171