Interest and Income Taxes (Tables)

9 Months Ended

Sep. 30, 2011

Interest and Income Taxes [Abstract]

Interest and Income Taxes Table

	For the three months ended		For the nine months ended
	September 30,		September 30,
	2011	2010	2011	2010
	(in thousands)
Interest payments	$            25,897	$           24,560	$          57,745	$          52,510
Income tax payments	$            3,391	$           14,006	$          20,391	$          16,706