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Future Minimum Payments Under Non-Cancelable Operating Leases with Initial Terms of One-Year or More (Detail)
In Thousands, unless otherwise specified
Dec. 31, 2011
USD ($)
Dec. 31, 2011
CNY
Operating Leased Assets [Line Items]    
2012 $ 79,260 498,853
2013 60,327 379,692
2014 38,603 242,967
2015 29,122 183,288
2016 23,122 145,527
Thereafter 7,568 47,635
Operating Leases, Future Minimum Payments Due, Total $ 238,002 1,497,962