Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

			September 30,		December 31,
			2012		2011
Bank credit facility (due 2016), interest based on Prime and/or LIBOR plus an applicable margin,
	interest rate at September 30, 2012 and December 31, 2011 was 4.75% and 2.9%, respectively	$	5,500	$	85,000
Senior unsecured notes (due 2018), net of discount of $10.2 million and $11.6 million,
	respectively, which bear interest at the rate of 8.875%		714,831		713,409
Senior unsecured notes (due 2022), which bear interest at the rate of 7.125%			250,000		-
Series B secured note assumed in the Eunice transaction, which bore
			970,331		798,409
	Debt classified as long-term	$	970,331	$	798,409