Share-Based Incentive Plans - Narrative (Details) | 6 Months Ended |
Dec. 31, 2015$ / sharesshares |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Exercise price of stock options outstanding, low end of range (in dollars per share) | $ / shares | $ 1.24 |
Exercise price of stock option outstanding, high end of range (in dollars per share) | $ / shares | $ 21.86 |
Stock Option Awards | 1997 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Expiration period (in years) | 10 years |
Stock Option Awards | 2004 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Expiration period (in years) | 10 years |
Stock Option Awards | 2008 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Expiration period (in years) | 10 years |
Stock Option Awards | 2014 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Expiration period (in years) | 10 years |
Shares available for grant | shares | 3,400,000 |
Stock Option Awards | Minimum | 1997 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 1 year |
Stock Option Awards | Minimum | 2004 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 1 year |
Stock Option Awards | Minimum | 2008 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 1 year |
Stock Option Awards | Minimum | 2014 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 1 year |
Stock Option Awards | Maximum | 1997 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 5 years |
Stock Option Awards | Maximum | 2004 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 5 years |
Stock Option Awards | Maximum | 2008 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 4 years |
Stock Option Awards | Maximum | 2014 Plan | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 4 years |
Restricted Stock Awards | 2004, 2008, and 2014 Plans | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Awards outstanding | shares | 702,594 |
Weighted average grant date fair value of awards granted (in dollars per share) | $ / shares | $ 10.37 |
Restricted Stock Awards | Minimum | 2004, 2008, and 2014 Plans | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 1 year |
Restricted Stock Awards | Maximum | 2004, 2008, and 2014 Plans | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Vesting period (in years) | 4 years |
Performance-Based Restricted Stock Awards and Stock Option Awards | 2008 and 2014 Plans | |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Awards outstanding | shares | 55,294 |