LEASES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Assets held under capital leases
Less: accumulated depreciation	$ (163)	$ (2,494)
Net capital leases	487	3,921
Total future minimum lease payments for noncancelable operating leases
2013	12,624
2014	9,385
2015	6,872
2016	5,695
2017	4,561
Thereafter	7,082
Rental expense	17,751	15,221	14,155
Buildings
Assets held under capital leases
Gross capital leases	441	6,236
Machinery and equipment
Assets held under capital leases
Gross capital leases	$ 209	$ 179

Property, plant, or equipment held under lease agreements classified as an asset.

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