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FAIR VALUE MEASUREMENTS (Details) (USD $)	9 Months Ended			3 Months Ended				3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Mar. 31, 2014 Allied Transportation Company [Member]	Mar. 31, 2013 Allied Transportation Company [Member]	Sep. 30, 2014 Allied Transportation Company [Member]	Nov. 01, 2012 Allied Transportation Company [Member]	Sep. 30, 2013 United Holdings LLC [Member]	Sep. 30, 2014 United Holdings LLC [Member]	Sep. 30, 2013 United Holdings LLC [Member]	Dec. 31, 2013 United Holdings LLC [Member]	Apr. 15, 2011 United Holdings LLC [Member]	Dec. 31, 2013 Recurring [Member]	Dec. 31, 2013 Quoted Prices In Active Markets For Identical Assets (Level 1) Recurring [Member]	Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring [Member]	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Recurring [Member]
Assets [Abstract]
Derivatives													$ 0	$ 0	$ 0	$ 0
Liabilities [Abstract]
Derivatives													59,000	0	59,000	0
Contingent liabilities													4,903,000	0	0	4,903,000
Liabilities fair value													4,962,000	0	59,000	4,903,000
Business Acquisition [Line Items]
Earnout Provision							10,000,000					50,000,000
Fair value contingent earn out liability						0	9,756,000					16,300,000
Payment of contingent liability	4,756,000	5,000,000		5,000,000	5,000,000
Increase (decrease) in fair value of contingent liability				97,000				(7,900,000)	0	(18,300,000)	0
Estimated fair value of outstanding debt	624,316,000		710,377,000
Carrying amount of debt	$ 649,350,000		$ 749,150,000

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Refers to the entity buys another entity, it may choose to structure the transaction to provide potential future payments to the sellers for achieving certain agreed-upon financial targets.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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