Other Income (Expense), net (Tables)

12 Months Ended

Dec. 31, 2011

Other Income (Expense), net

Schedule of components of other income (expense)

	Year Ended December 31,
	2011			2010			2009
Program fees on sale of accounts receivable (Note 2)	$	—		$	—		$	(1,539	)
Agency and commitment fees	(1,192		)	(1,656		)	(1,842		)
Interest income	10,245			5,046			2,154
Other	(950		)	682			2
	$	8,103		$	4,072		$	(1,225	)