Derivative Instruments and Risk Management Activities (Tables)

6 Months Ended

Jun. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Amount of Unrealized Gain, Net of Tax, Recognized in Other Comprehensive Income

The following table presents the impact during the current and comparative prior year period for the Company's derivative financial instruments on its Consolidated Statements of Operations and Consolidated Balance Sheets.

	Amount of Unrealized Gain (Loss), Net of Tax, Recognized in Other Comprehensive Loss
	Six Months Ended June 30,
Derivatives in Cash Flow Hedging Relationship	2013				2012
		(In thousands)
Interest rate swap contracts		$	7,690			$	(7,610	)
	Amount of Loss Reclassified from Other Comprehensive Loss into Statements of Operations
Location of Loss Reclassified from Other Comprehensive Loss into Statements of Operations	Six Months Ended June 30,
	2013				2012
		(In thousands)
Floorplan interest expense		$	(4,848	)		$	(5,344	)
Other interest expense		(606		)		(550		)