Debt (Tables)

9 Months Ended

Sep. 30, 2011

Debt [Abstract]

Summary Of Debt

	As of September 30, 2011				As of December 31, 2010
	Balance			Interest Rate	Balance			Interest Rate
Revolving credit facilities	$	39,600		Variable	$	—		Variable
2006 senior unsecured notes		125,000		Various		125,000		7.333% — 7.871%
2011 senior unsecured notes		450,000		6.875%		—
Exchangeable senior notes:
Principal amount		20,175		6.125% — 9.250%		91,175		6.125% — 9.250%
Unamortized discount		(248	)			(2,585	)
		19,927				88,590
Term loans:
Principal amount		14,486		6.200%		157,683		Various
Unamortized discount		—				(1,303	)
		14,486				156,380
	$	649,013			$	369,970

Principal Payments Due For Debt

2011	$	9,232
2012		39,832
2013		11,249
2014		265
2015		283
Thereafter		588,400
Total	$	649,261