|
Stock-Based Compensation (Details) (AUD)
|
12 Months Ended | |
|---|---|---|
|
Mar. 31, 2012
|
Mar. 31, 2011
|
|
| Summary of stock options available for grant and outstanding options activity | ||
| Shares Available for Grant, Beginning balance | 26,756,207 | 25,288,048 |
| Outstanding Options, Number, Beginning balance | 11,355,295 | 14,444,438 |
| Outstanding Options, Weighted Average Exercise Price, Beginning balance | 7.40 | 7.44 |
| Exercised, Outstanding Options, Number | (1,682,841) | (530,984) |
| Exercised, Outstanding Options, Weighted Average Exercise Price | 6.25 | 5.19 |
| Forfeited, Outstanding Options, Number | (587,314) | (2,558,159) |
| Forfeited, Outstanding Options, Weighted Average Exercise Price | 7.76 | 8.10 |
| Forfeitures available for re-grant | 587,314 | 1,468,159 |
| Shares Available for Grant, Ending balance | 27,343,521 | 26,756,207 |
| Outstanding Options, Number, Ending balance | 9,085,140 | 11,355,295 |
| Outstanding Options, Weighted Average Exercise Price, Ending balance | 7.59 | 7.40 |
| X | ||||||||||
|
- Definition
Share based compensation arrangement by share based payment award number of shares forfeitures available for re-grant. No definition available.
|
| X | ||||||||||
|
- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated during the reporting period due to noncompliance with plan terms during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|