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Computation of Basic Earnings per Share and Diluted Earnings Per Share (Detail)
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12 Months Ended | |||||||||||
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Dec. 31, 2011
USD ($)
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Dec. 31, 2011
CNY
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Dec. 31, 2010
CNY
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Dec. 31, 2009
CNY
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Dec. 31, 2011
Earning Per Share, Basic
USD ($)
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Dec. 31, 2011
Earning Per Share, Basic
CNY
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Dec. 31, 2010
Earning Per Share, Basic
CNY
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Dec. 31, 2009
Earning Per Share, Basic
CNY
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Dec. 31, 2011
Earning Per Share, Diluted
USD ($)
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Dec. 31, 2011
Earning Per Share, Diluted
CNY
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Dec. 31, 2010
Earning Per Share, Diluted
CNY
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Dec. 31, 2009
Earning Per Share, Diluted
CNY
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| Numerator: | ||||||||||||
| Net income attributable to ordinary shareholders | $ 139,812,655 | 879,966,874 | 811,187,833 | 859,313,746 | $ 139,812,655 | 879,966,874 | 811,187,833 | 859,313,746 | $ 139,812,655 | 879,966,874 | 811,187,833 | 859,313,746 |
| Denominator: | ||||||||||||
| Number of shares outstanding, opening | 228,019,412 | 228,019,412 | 226,819,007 | 227,018,426 | ||||||||
| Weighted average number of shares issued | 4,104,619 | 4,104,619 | 489,847 | 726,931 | ||||||||
| Weighted average number of shares repurchased | (119,152) | (119,152) | (1,467,130) | |||||||||
| Weighted average number of shares outstanding - basic | 232,004,879 | 232,004,879 | 227,308,854 | 226,278,227 | ||||||||
| Dilutive effect of share options | 6,619,546 | 7,682,329 | ||||||||||
| Weighted average number of shares outstanding - diluted | 232,004,879 | 232,004,879 | 233,928,400 | 233,960,556 | ||||||||
| X | ||||||||||
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- Details
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- Details
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- Definition
Weighted Average Shares Outstanding No definition available.
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of common stock subject to repurchase or cancellation determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. Common stock subject to repurchase are outstanding common shares that are contingently returnable (that is, subject to recall). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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