Notes Receivable and Other Long-Term Assets (Tables)

12 Months Ended

Dec. 31, 2011

Notes Receivable And Other Long Term Assets [Abstract]

Notes receivable and other long-term assets

		2011		2010 (1)
Notes receivable		$	118,892	$	129,157
Long-term prepaid assets			229,605		69,140
Other miscellaneous assets			145,331		119,512
Balance as of December 31,		$	493,828	$	317,809
(1)	December 31, 2010 balance has been revised to reflect purchase accounting measurement period adjustments.