PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 477,694	$ 457,903
Accumulated Depreciation	(246,430)	(207,001)
Total net book value	231,264	250,902
Capital Leased Assets, Gross	7,720	7,491
Accumulated Depreciation	(2,651)	(2,113)
Net book value	5,069	5,378
Land and buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	169,259	166,082
Capital Leased Assets, Gross	4,705	4,904
Machinery, fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	211,883	202,447
Capital Leased Assets, Gross	3,015	2,587
Other equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	34,639	32,258
Software licenses [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	43,525	40,072
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 18,388	$ 17,044