Other Assets (Tables)

12 Months Ended

Dec. 31, 2012

Other Assets, Noncurrent Disclosure [Abstract]

Schedule of other assets and investments

Other assets consist of the following:

	As of December 31,
	2012		2011
Software systems development costs, net	$	87,206	$	74,100
Deferred financing costs	25,481		33,918
Deferred tax asset, long-term portion	6,281		11,217
Other assets	4,547		14,886
	$	123,515	$	134,121