DEBT (Schedule of Debt) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Long-term debt
Long-term debt	$ 2,055	$ 83,456
Less current portion	456	81,496
Total long-term debt	1,599	1,960
Short-term debt
Amounts due banks, interest at 11.32% (11.61% in 2011)	18,220	19,922
Current portion of long-term debt	456	81,496
Total short-term debt	18,676	101,418
Total debt	20,275	103,378
Senior Unsecured Notes due 2012, interest at 6.36%
Long-term debt
Long-term debt	0	80,358
Short-term debt
Interest rate (as a percent)	6.36%
Capital leases due through 2017, interest at 1.12% to 8.63%
Long-term debt
Long-term debt	267	901
Short-term debt
Interest rate, low end of range (as a percent)	1.12%
Interest rate, high end of range (as a percent)	8.63%
Other borrowings due through 2023, interest up to 6.00%
Long-term debt
Long-term debt	$ 1,788	$ 2,197
Short-term debt
Interest rate, high end of range (as a percent)	4.25%