Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2011

Long-Term Debt

Schedule of long-term debt

	2011		2010
73/8% senior notes, due 2012	$	700,000	$	700,000
5.125% convertible senior notes, due 2014		287,500		287,500
63/4% senior notes, due 2015		500,000		500,000
73/4% senior notes, due 2016		500,000		500,000
75/8% senior notes, due 2020		350,000		350,000
Other secured obligations		42,600		49,321
Total debt		2,380,100		2,386,821
Less current maturities		444,078		8,924
Long-term debt	$	1,936,022	$	2,377,897

Schedule of outstanding debt maturities

2012	$	444,078
2013		16,770
2014		318,111
2015		544,421
2016		682,461
Thereafter		374,259
	$	2,380,100