Debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Schedule Of Obligations Under Debt Arrangements

Our obligations under debt arrangements consisted of the following:

	March 31, 2013		December 31, 2012
Senior secured credit facility	$	271,000	$	500,000
7.875% senior unsecured notes (including unamortized premium of $865 and $895 in 2013 and 2012, respectively)	350,865		350,895
5.750% senior unsecured notes	350,000		—
Total long-term debt	$	971,865	$	850,895