COMMITMENTS AND CONTINGENCIES (Operating Lease) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Rental expense, including equipment rentals	$ 9,153	$ 9,590
Minimum Lease Payments
2013	9,060
2014	7,736
2015	5,138
2016	3,397
2017	3,339
Thereafter	2,202
Total minimum lease payments	30,872
Minimum Sublease/Lease Receivable
2013	650
2014	860
2015	570
2016	587
2017	247
Thereafter	0
Total minimum lease payments	$ 2,914

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Five Years

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Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due in Four Years

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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