v2.4.0.6
Income Before Income Tax Expenses (Detail)
12 Months Ended
Dec. 31, 2011
USD ($)
Dec. 31, 2011
CNY
Dec. 31, 2010
CNY
Dec. 31, 2009
CNY
Dec. 31, 2011
PRC
USD ($)
Dec. 31, 2011
PRC
CNY
Dec. 31, 2010
PRC
CNY
Dec. 31, 2009
PRC
CNY
Dec. 31, 2011
Non-PRC
USD ($)
Dec. 31, 2011
Non-PRC
CNY
Dec. 31, 2010
Non-PRC
CNY
Dec. 31, 2009
Non-PRC
CNY
Schedule of Components of Income Before Income Tax Expense (Benefit) [Line Items]                        
Income before income tax expenses $ 201,304,769 1,266,992,090 897,595,546 944,079,263 $ 195,391,805 1,229,776,487 881,077,042 936,154,635 $ 5,912,964 37,215,603 16,518,504 7,924,628