Unaudited Condensed Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 17,685	$ 27,394	$ 90,857	$ 120,552
Comprehensive income	4,739	34,891	80,239	110,779
Comprehensive income (loss) attributable to noncontrolling interests	(24)	(620)	(6,182)	(2,532)
Comprehensive income attributable to common stockholders	4,715	34,271	74,057	108,247
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(16,060)	7,497	(13,732)	(9,773)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	$ (3,114)	$ 0	$ (3,114)	$ 0