Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

Debt as of December 31, 2013 and 2012 consisted of the following (in thousands):

	2013			2012
Senior secured revolving credit facility, due in October 2015	$	28,109		$	217,494
Convertible senior subordinated debentures at 4.125%, due in February 2027	10,641			10,009
Other notes and lease obligations	6,536			7,299
	45,286			234,802
Less current maturities of long-term debt	(14,102		)	(5,427		)
	$	31,184		$	229,375

Schedule of Debt [Table Text Block]

The components of the Company’s convertible debt as of December 31, 2013 and 2012 consist of the following (in thousands):

	2013			2012
Carrying amount of equity component	$	25,381		$	25,381
Principal amount of liability component	$	13,350		$	13,350
Unamortized discount	(2,709		)	(3,341		)
Net carrying amount of liability component	$	10,641		$	10,009