Operating Segments (Segment Information On Operating Income) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended			12 Months Ended	3 Months Ended					12 Months Ended
	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Restated [Member]	Sep. 30, 2011 Restated [Member]	Jun. 30, 2011 Restated [Member]	Mar. 31, 2011 Restated [Member]	Dec. 31, 2010 Restated [Member]	Dec. 31, 2011 Restated [Member]	Dec. 31, 2010 Restated [Member]	Dec. 31, 2009 Poland [Member]	Dec. 31, 2011 Poland [Member] Restated [Member]	Dec. 31, 2010 Poland [Member] Restated [Member]	Dec. 31, 2009 Russia [Member]	Dec. 31, 2011 Russia [Member] Restated [Member]	Dec. 31, 2010 Russia [Member] Restated [Member]	Dec. 31, 2009 Hungary [Member]	Dec. 31, 2011 Hungary [Member] Restated [Member]	Dec. 31, 2010 Hungary [Member] Restated [Member]	Dec. 31, 2009 Corporate [Member]	Dec. 31, 2011 Corporate [Member] Restated [Member]	Dec. 31, 2010 Corporate [Member] Restated [Member]
Segment Reporting Information [Line Items]
Segment before fair value adjustments												$ 67,675	$ 27,334	$ 28,478	$ 90,696	$ 10,982	$ 48,805
General corporate overhead																					(4,569)	(4,263)	(5,261)
Gain on remeasurement of previously held equity interests				63,605						7,898	0	63,605	7,898	0
Option Expense				(3,782)						(2,605)	(3,206)
Contingent consideration true-up												(15,000)	0	0
Impairment charge												(20,309)	(213,687)	(131,849)	0	(844,132)	0
Total Operating Income/(loss)	$ 29,073	$ 41,226	$ 25,254	$ 184,465	$ (371,101)	$ (658,013)	$ 10,892	$ 5,197	$ (153,144)	$ (1,013,025)	$ (57,591)	$ 95,971	$ (178,455)	$ (103,371)	$ 90,696	$ (833,150)	$ 48,805	$ 6,149	$ 5,448	$ 5,442