Effects Of Foreign Currency Movements (Exchange Rates Used For Translation Of Balance Sheet And Statement Of Operations) (Detail)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
PLN / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	3.1191		3.4174
Average rate	3.2249	2.8800
RUR / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	29.3148		32.2092
Average rate	30.1674	29.2089
HUF / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	221.2128		240.6620
Average rate	225.5175	198.6207