Equity (Tables)

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

	Three Months Ended March 31, 2013
	Unrealized Gains (Losses) on Derivative Instruments		Unrealized Gains and Losses on Marketable Securities		Foreign Currency Translation Adjustments		Total
Balance - beginning of period	$	(25,888)	$	(470)	$	(9,008)	$	(35,366)
Other comprehensive income (loss) before reclassifications		9,963		24		(25,118)		(15,131)
Amounts reclassified from accumulated other comprehensive loss to:
Interest expense		941		-		-		941
Other (income) and expense		(705)		-		-		(705)
Total		236		-		-		236
Net current-period Other comprehensive income (loss)		10,199		24		(25,118)		(14,895)
Balance - end of period	$	(15,689)	$	(446)	$	(34,126)	$	(50,261)

	Three Months Ended March 31, 2012
	Unrealized Gains (Losses) on Derivative Instruments		Unrealized Gains and Losses on Marketable Securities		Foreign Currency Translation Adjustments		Total
Balance - beginning of period	$	(8,765)	$	(1,506)	$	(22,330)	$	(32,601)
Other comprehensive (loss) income before reclassifications		(5,783)		-		20,040		14,257
Amounts reclassified from accumulated other comprehensive income to:
Interest expense		888		-		-		888
Other (income) and expense		(756)		-		-		(756)
Total		132		-		-		132
Net current-period Other comprehensive (loss) income		(5,651)		-		20,040		14,389
Balance - end of period	$	(14,416)	$	(1,506)	$	(2,290)	$	(18,212)