Operating Segments (Segment Information On Income Tax) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Income tax benefit/(expense)	$ 35,276	$ (26,717)	$ 18,495
Restated [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)	35,276	(26,717)
Poland [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)			630
Poland [Member] | Restated [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)	44,639	47,954
Russia [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)			(19,993)
Russia [Member] | Restated [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)	(27,607)	(17,570)
Hungary [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)			(329)
Hungary [Member] | Restated [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)	(606)	(785)
Corporate [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)			1,197
Corporate [Member] | Restated [Member]
Segment Reporting Information [Line Items]
Income tax benefit/(expense)	$ (51,702)	$ (2,882)