Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Long-Term Debt

Schedule of long-term debt

 Debt is summarized below (in thousands):

	December 31, 2012		December 31, 2011
Credit Facility
Revolving credit facility, variable interest, due September 2017(1)	$	—	$	66,000
Senior Notes
2018 Senior Notes, 8.75% interest, net of discount of $109 and $129, respectively, issued April and May 2008 and due April 2018		81,003		80,983
2020 Senior Notes, 6.75% interest, issued November 2010 and due November 2020		500,000		500,000
2021 Senior Notes, 6.5% interest, net of discount of $826 and $921, respectively, issued February and March 2011 and due August 2021		499,174		499,079
2022 Senior Notes, 6.25% interest, issued October 2011 and due June 2022		700,000		700,000
2023A Senior Notes, 5.5% interest, net of discount of $7,126, issued August 2012 and due February 2023		742,874		—
Total long-term debt	$	2,523,051	$	1,846,062

(1)

Applicable interest rate was 4.75% at December 31, 2012.