Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2012

Long-Term Debt

Schedule of long-term obligations

	June 30, 2012				December 31, 2011
	Carrying		Estimated Fair Value		Carrying		Estimated Fair Value
(in thousands)	Value		(Level 2)		Value		(Level 2)
Convertible subordinated notes	$	172,500	$	183,549	$	172,500	$	189,588