Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2011

Other Comprehensive Loss [Abstract]

Change in accumulated other comprehensive loss

	Three Months Ended
	September 30,
	2011			2010
Accumulated other comprehensive loss, June 30, 2011 and 2010, respectively	$	(17,134	)	$	(31,464	)
Other comprehensive income (loss):
Foreign currency translation adjustment		(6,027	)		10,343
Accumulated other comprehensive loss, September 30, 2011 and 2010, respectively	$	(23,161	)	$	(21,121	)

	Nine Months Ended
	September 30,
	2011			2010
Accumulated other comprehensive loss, December 31, 2010 and 2009, respectively	$	(25,700	)	$	(18,996
Other comprehensive income (loss):
Foreign currency translation adjustment		2,539			(2,125	)
Accumulated other comprehensive loss, September 30, 2011 and 2010, respectively	$	(23,161	)	$	(21,121	)