v2.4.0.6
Summary of Tax Examinations (Detail)
12 Months Ended
Dec. 31, 2012
Y
Poland
 
Income Taxes [Line Items]  
Maximum number of years subject to examinations 5
Hungary
 
Income Taxes [Line Items]  
Maximum number of years subject to examinations 5
Russia
 
Income Taxes [Line Items]  
Maximum number of years subject to examinations 3