Debt (Tables)

9 Months Ended

Sep. 30, 2011

Debt [Abstract]

Components Of Interest Expense

	Year Ended December 31,
	2011		2010		2009
	(In thousands)
2016 Notes:
Non-cash interest	$	3,740	$	—	$	—
Cash Interest		2,024		—		—
Total	$	5,764	$	—	$	—
2012 Notes:
Non-cash interest	$	6,850	$	6,401	$	5,981
Cash Interest		3,919		3,919		3,919
Total	$	10,769	$	10,320	$	9,900
2010 Notes:
Non-cash interest	$	—	$	1,190	$	4,456
Cash Interest		—		830		3,587
Total	$	—	$	2,020	$	8,043