SEGMENT INFORMATION (Summary of Net Sales and Long-Lived Assets By Geographic Area) (Details) - USD ($) $ 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
Net sales and long-lived asset information by geographic area
Net Sales	$ 546,773	$ 586,290	$ 594,275	$ 589,811	$ 599,185	$ 651,942	$ 670,631	$ 676,051	$ 2,317,149	$ 2,597,809	$ 2,520,013
Plant, Property & Equipment	765,383				811,655				765,383	811,655	864,662
United States
Net sales and long-lived asset information by geographic area
Net Sales									633,522	642,060	634,418
Plant, Property & Equipment	175,367				192,265				175,367	192,265	226,917
Total Europe
Net sales and long-lived asset information by geographic area
Net Sales									1,287,309	1,506,992	1,452,041
Plant, Property & Equipment	440,266				471,426				440,266	471,426	550,909
France
Net sales and long-lived asset information by geographic area
Net Sales									712,470	850,817	810,528
Plant, Property & Equipment	216,966				228,049				216,966	228,049	263,913
Germany
Net sales and long-lived asset information by geographic area
Net Sales									326,782	363,898	339,858
Plant, Property & Equipment	125,186				136,491				125,186	136,491	156,970
Italy
Net sales and long-lived asset information by geographic area
Net Sales									125,511	141,808	136,617
Plant, Property & Equipment	43,631				48,940				43,631	48,940	57,729
Other Europe
Net sales and long-lived asset information by geographic area
Net Sales									122,546	150,469	165,038
Plant, Property & Equipment	54,483				57,946				54,483	57,946	72,297
Other Foreign Countries
Net sales and long-lived asset information by geographic area
Net Sales									396,318	448,757	433,554
Plant, Property & Equipment	$ 149,750				$ 147,964				$ 149,750	$ 147,964	$ 86,836