|
Equity and Long-Term Incentive Compensation Plans - Cash-Based Long-Term Incentive Compensation (Details) - Cash long-term incentive plan $ in Millions |
3 Months Ended | 9个月结束 | ||
|---|---|---|---|---|
|
Mar. 31, 2018
USD ($) |
Mar. 31, 2017
USD ($) |
Mar. 31, 2018
USD ($)
Installment |
Mar. 31, 2017
USD ($) |
|
| Cash Long-Term Incentive Plan | ||||
| Cash-based long-term incentive plan, granted amount | 5.9美元 | 51.6美元 | ||
| Cash long-term incentive plan, compensation expense | $ 11.6 | $ 11.3 | 37.9 | $ 34.7 |
| Cash long-term incentive plan, unrecognized compensation balance | $ 91.4 | $ 91.4 | ||
| Minimum | ||||
| Cash Long-Term Incentive Plan | ||||
| Cash long-term incentive plan, equal vesting installments | Installment | 3 | |||
| Cash long-term incentive plan, percentage of equal vesting installments | 33.33％ | |||
| 现金长期激励计划，归属期 | 3年 | |||
| Maximum | ||||
| Cash Long-Term Incentive Plan | ||||
| Cash long-term incentive plan, equal vesting installments | Installment | 4 | |||
| Cash long-term incentive plan, percentage of equal vesting installments | 25.00％ | |||
| 现金长期激励计划，归属期 | 4年 | |||