Debt (Tables)

9 Months Ended

Sep. 30, 2011

Debt [Abstract]

Summary Of Long-Term Debt

	September 30, 2011			December 31, 2010			September 30, 2010
York Property Mortgage, net of unamortized discount of $13,366, $16,039 and $16,921	$	218,167		$	217,538		$	217,624
Senior Notes, net of unamortized discount of $791, $898 and $1,345		79,180			79,073			126,905
Convertible Notes, net of unamortized discount of $13,437 $20,665 and $22,552		168,431			179,335			177,448
Less current portion:
York Property Mortgage		(3,177	)		(3,084	)		(3,043	)
Total Long-Term Debt	$	462,601		$	472,862		$	518,934

Aggregate Future Principal And Interest Payments

October 2011 to September 2012	$	27,885
October 2012 to September 2013		209,753
October 2013 to September 2014		22,202
October 2014 to September 2015		315,897
Total future principal and interest payments	$	575,737

Components Of Interest Expense

	Three Months Ended September 30,				Nine Months Ended September 30,
	2011		2010		2011		2010
Revolving credit facility:
Amortization of amendment and arrangement fees	$	430	$	739	$	1,311	$	2,084
Commitment fees		326		511		948		1,500
Sub-total		756		1,250		2,259		3,584
York Property Mortgage		4,238		4,280		12,639		12,724
Senior Notes		1,586		2,538		4,755		7,611
Convertible Notes		3,402		3,413		10,414		10,136
Other interest expense		348		359		1,210		1,121
Total interest expense	$	10,330	$	11,840	$	31,277	$	35,176

Convertible Note Interest Expenses

	Three Months Ended September 30,				Nine Months Ended September 30,
	2011		2010		2011		2010
Contractual coupon interest expense	$	1,492	$	1,562	$	4,617	$	4,687
Discount amortization		1,910		1,851		5,797		5,449
Total	$	3,402	$	3,413	$	10,414	$	10,136