Note 2. Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Intangible Assets [Abstract]

Schedule of Goodwill [Table Text Block]

(Dollars in thousands)	Logistics			Truckload			Corporate and Eliminations		Total
Goodwill	$	55,695		$	464,598		$	727	$	521,020
Accumulated impairment losses	(48,236		)	(134,813		)	—		(183,049		)
Balances at December 31, 2013	7,459			329,785			727		337,971
Change in foreign currency exchange rates	(392		)	—			—		(392		)
Goodwill	55,303			464,598			727		520,628
Accumulated impairment losses	(48,236		)	(134,813		)	—		(183,049		)
Balances at December 31, 2014	7,067			329,785			727		337,579
Change in foreign currency exchange rates	(243		)	—			—		(243		)
Goodwill	55,060			464,598			727		520,385
Accumulated impairment losses	(48,236		)	(134,813		)	—		(183,049		)
Balances at March 31, 2015	$	6,824		$	329,785		$	727	$	337,336

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

	March 31, 2015				December 31, 2014
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	23,088	$	17,393	$	23,088	$	16,804

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

(Dollars in thousands)
Remaining nine months of 2015	$	1,767
2016	2,356
2017	1,572