Effects Of Foreign Currency Movements (Exchange Rates Used For Translation Of Balance Sheet And Statement Of Operations) (Detail)	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
PLN / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	3.3885	3.4174
Average rate	3.3255	2.7500
RUR / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	32.8981	32.2092
Average rate	31.1085	27.9756
HUF / US$ [Member]
Effects Of Foreign Currency Movements [Line Items]
Balance sheet rate	228.9527	240.6620
Average rate	229.3448	184.5638