CONTINGENCIES (Details) (USD $)	9 Months Ended
	Sep. 30, 2013
Guarantor Obligations [Line Items]
Issued guaranties	$ 46,623,000
Guarantor obligations, term	All of these instruments have an expiration date within four years
Expiration period for instruments under contingencies, maximum	4 years
Performance Bonds [Member]
Guarantor Obligations [Line Items]
Issued guaranties	40,403,000
Standby Letters Of Credit [Member]
Guarantor Obligations [Line Items]
Issued guaranties	$ 6,220,000