Debt (Tables)

3 Months Ended

Mar. 31, 2012

Debt [Abstract]

Summary Of Debt

	As of March 31, 2012				As of December 31, 2011
	Balance			Interest Rate	Balance			Interest Rate
Revolving credit facilities	$	—		Variable	$	89,600		Variable
2006 Senior Unsecured Notes		125,000		Various		125,000		Various
2011 Senior Unsecured Notes		450,000		6.875%		450,000		6.875%
2012 Senior Unsecured Notes		200,000		6.375%		—
Exchangeable senior notes:
Principal amount		11,000		9.250%		11,000		9.250%
Unamortized discount		(147	)			(180	)
		10,853				10,820
Term loans		114,372		Various		14,429		6.2000%
	$	900,225			$	689,849

Principal Payments Due For Debt

2012	$	174
2013		11,249
2014		266
2015		283
2016		225,299
Thereafter		663,101
Total	$	900,372