Prepaid And Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2012

Prepaid Expense and Other Assets, Current [Abstract]

Prepaid expenses and other current assets

		2012		2011 (1)
Prepaid income tax		$	57,665	$	31,384
Prepaid operating ground leases			56,916		49,585
Value added tax and other consumption tax receivables			22,443		81,276
Prepaid assets			19,037		28,031
Other miscellaneous current assets			66,790		59,997
Balance as of December 31,		$	222,851	$	250,273
(1)	December 31, 2011 balances have been revised to reflect purchase accounting measurement period adjustments.