Segment Information on Income Tax (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Income tax benefit(expense)	$ (11,697)	$ (37,512)	$ 13,861
Poland
Segment Reporting Information [Line Items]
Income tax benefit(expense)	(1,113)	(593)	35,098
Russia
Segment Reporting Information [Line Items]
Income tax benefit(expense)	(10,566)	(27,607)	(17,570)
Hungary
Segment Reporting Information [Line Items]
Income tax benefit(expense)	(1,082)	(606)	(785)
Corporate
Segment Reporting Information [Line Items]
Income tax benefit(expense)	$ 1,064	$ (8,706)	$ (2,882)