Effects Of Foreign Currency Movements - Exchange Rates Used For Translation Of Balance Sheet And Statement Of Operations (Detail)	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
PLN / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	3.1780	3.4174
Average rate	3.3107	2.9400
RUR / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	30.9144	32.2092
Average rate	31.9874	29.1667
HUF / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	219.1724	240.6620
Average rate	226.7603	194.7020