Condensed Consolidated Balance Sheets (Parenthetical) In Thousands, except Share data	Jun. 30, 2011 USD ($)	Jun. 30, 2011 CNY	Dec. 31, 2010 CNY
Goodwill and intangible assets, accumulated amortization	$ 21,591	139,551	122,637
Common stock, Par value	$ 0.01
Common stock, Authorized	200,000,000	200,000,000	200,000,000
Common stock, Issued	41,309,285	41,309,285	41,181,529
Common stock, Outstanding	35,110,950	35,110,950	35,848,764
Cost of common stock in treasury, shares	6,198,335	6,198,335	5,332,765