Other Assets (Tables)

12 Months Ended

Dec. 31, 2011

Other Assets

Schedule of other assets and investments

	As of December 31,
	2011		2010
Software systems development costs, net	$	74,100	$	62,054
Deferred financing costs		33,918		31,151
Deferred tax asset, long-term portion		11,217		15,580
Other assets		13,394		22,799
	$	132,629	$	131,584