Share-based incentive plans (Details) (USD $) | 3 Months Ended |
Sep. 30, 2013 |
SHARE-BASED INCENTIVE PLANS | |
Exercise price of stock options outstanding, low end of range (in dollars per share) | $1.24 |
Exercise price of stock option outstanding, high end of range (in dollars per share) | $35.23 |
Performance Shares | |
Additional disclosures | |
Awards outstanding | 0 |
Performance Units | |
Additional disclosures | |
Awards outstanding | 0 |
1997 Plan | Stock Option Awards | |
SHARE-BASED INCENTIVE PLANS | |
Number of shares authorized | 4,800,000 |
Expiration period (in years) | 10 years |
1997 Plan | Stock Option Awards | Minimum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 1 year |
1997 Plan | Stock Option Awards | Maximum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 5 years |
2004 Plan | Stock Option Awards | |
SHARE-BASED INCENTIVE PLANS | |
Number of shares authorized | 2,000,000 |
Expiration period (in years) | 10 years |
Shares available for grant | 390,831 |
2004 Plan | Stock Option Awards | Minimum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 1 year |
2004 Plan | Stock Option Awards | Maximum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 5 years |
2008 Plan | Stock Option Awards | |
SHARE-BASED INCENTIVE PLANS | |
Number of shares authorized | 5,400,000 |
Expiration period (in years) | 10 years |
Shares available for grant | 2,300,000 |
2008 Plan | Stock Option Awards | Minimum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 1 year |
2008 Plan | Stock Option Awards | Maximum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 4 years |
2004 and 2008 Plans | Restricted Stock Awards | |
Additional disclosures | |
Awards outstanding | 276,882 |
Weighted average grant date fair value of awards granted (in dollars per share) | $8.79 |
2004 and 2008 Plans | Restricted Stock Awards | Minimum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 1 year |
2004 and 2008 Plans | Restricted Stock Awards | Maximum | |
SHARE-BASED INCENTIVE PLANS | |
Vesting period (in years) | 4 years |