Debt (Tables)

6 Months Ended

Jun. 30, 2011

Debt (Tables) [Abstract]

Debt and capital lease obligations related to continuing operations

	June 30,			December 31,
	2011			2010
$1.0 Billion Credit Facility, interest at 3-month LIBOR plus 2.50% or bank’s base rate plus 0.50%, maturing July 25, 2012	$	700,000		$	700,000
Convertible Senior Notes, interest at 3.75%, maturing October 1, 2014, net of unamortized discount of $47,233 and $53,449		312,767			306,551
Senior Notes, interest at 6.75%, maturing November 15, 2014		152,180			152,180
Capital lease obligations		399			484
Total debt		1,165,346			1,159,215
Less amounts due within one year		(190	)		(58,574	)
Total long-term debt	$	1,165,156		$	1,100,641