Operating Segments (Segment Information On Operating Income / (Loss)) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Gain on remeasurement of previously held equity interests	$ 0		$ 0
Total Operating income / (loss)	7,237	10,892	3,418	16,089
Option Expense			(1,589)
Poland [Member]
Segment Reporting Information [Line Items]
Poland before fair value adjustments	9,112	8,242	15,592	13,035
Gain on remeasurement of previously held equity interests	0	0	0	7,898
Total Operating income / (loss)	9,112	8,242	15,592	20,933
Russia [Member]
Segment Reporting Information [Line Items]
Total Operating income / (loss)	3,090	3,063	(5,373)	(3,156)
Hungary [Member]
Segment Reporting Information [Line Items]
Total Operating income / (loss)	762	1,280	1,482	1,941
Corporate [Member]
Segment Reporting Information [Line Items]
General corporate overhead	(5,002)	(1,049)	(6,694)	(2,292)
Option Expense	$ (725)	$ (644)	$ (1,589)	$ (1,337)