Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2012

Debt Disclosure [Abstract]

Long-term debt

Long-term debt consisted of the following at June 30, 2012 and December 31, 2011 (dollars in thousands):

	June 30, 2012		December 31, 2011
2.0% Convertible Senior Notes	$	—	$	256,995
7.5% Senior Notes	477,648		400,000
Total long-term debt	477,648		656,995
Less current portion of 2.0% Convertible Senior Notes	—		256,995
Total long-term debt, less current portion	$	477,648	$	400,000