Derivative Instruments and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2011

Derivative Instruments and Hedging Activities [Abstract]

Gain (loss) recognized on non-designated derivative instruments

	Three Months Ended September 30,						Nine Months Ended September 30,
Income Statement Location	2011			2010			2011			2010
Interest expense	$	(1,920	)	$	(1,805	)	$	(5,796	)	$	(4,864	)
Foreign exchange (loss) gain, net		12,139			(12,285	)		10,401			9,870
	$	10,219		$	(14,090	)	$	4,605		$	5,006