Debt (Tables)

6 Months Ended

Jun. 30, 2011

Debt

Summary Of Long-Term Debt

	June 30, 2011			December 31, 2010			June 30, 2010
York Property Mortgage, net of unamortized discount of $14,257, $16,039 and $17,822	$	218,020		$	217,538		$	217,178
Senior Notes, net of unamortized discount of $829, $898 and $1,398		79,143			79,073			126,852
Convertible Notes, net of unamortized discount of $16,678, $20,665 and $24,404		183,222			179,335			175,596
Less current portion:
York Property Mortgage		(3,134	)		(3,084	)		(2,743	)
Convertible Notes, net of unamortized discount of $1,521		(16,611	)		—			—
Total Long-Term Debt	$	460,640		$	472,862		$	516,883

Aggregate Future Principal And Interest Payments

July 2011 to June 2012	$	45,851
July 2012 to June 2013		209,769
July 2013 to June 2014		22,202
July 2014 to June 2015		102,173
July 2015 to June 2016		219,516
Total future principal and interest payments	$	599,511

Components Of Interest Expense

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Revolving credit facility:
Amortization of amendment and arrangement fees	$	436	$	674	$	881	$	1,345
Commitment fees		316		506		622		989
Sub-total		752		1,180		1,503		2,334
York Property Mortgage		4,213		4,240		8,401		8,444
Senior Notes		1,585		2,537		3,169		5,073
Convertible Notes		3,524		3,379		7,012		6,723
Other interest expense		485		381		862		762
Total interest expense	$	10,559	$	11,717	$	20,947	$	23,336

Convertible Note Interest Expenses

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Contractual coupon interest expense	$	1,562	$	1,562	$	3,125	$	3,125
Discount amortization		1,962		1,817		3,887		3,598
Total	$	3,524	$	3,379	$	7,012	$	6,723