Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Segment Information (Schedule Of Long-Lived Assets By Segment) (Details)

v2.4.0.6
Segment Information (Schedule Of Long-Lived Assets By Segment) (Details) (Customer Concentration Risk [Member], Long-Lived Assets [Member])
Dec. 31, 2011
Russia [Member]
 
Segment Reporting Information [Line Items]  
Percentage of long-lived assets 10.70%
Minimum [Member]
 
Segment Reporting Information [Line Items]  
Percentage of long-lived assets 10.00%