Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2012

Restricted Cash [Abstract]

Schedule Of Restricted Cash

	As of March 31, 2012		As of December 31, 2011		Included on Balance Sheet
	(in thousands)
Securitization escrow accounts	$	16,553	$	21,378	Restricted cash - current asset
Payment and performance bonds		923		888	Restricted cash - current asset
Surety bonds and workers compensation		11,466		11,495	Other assets - noncurrent
Total restricted cash	$	28,942	$	33,761