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Income Taxes Tax Return Filing Determinations and Elections (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 8 Months Ended | 9 Months Ended | |
|---|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Aug. 19, 2009
|
Oct. 06, 2009
|
|
| Loss Contingencies [Line Items] | ||||
| Income Tax Contingency, Federal Statutory Rate for Foreign Shareholders | 30.00% | |||
| Effective tax rate | 17.00% | 18.00% | ||
| Acquisition Date | Oct. 06, 2009 | |||
| Formation of LLP | Aug. 19, 2009 | |||
| Internal Revenue Service (IRS) | IRS NOPA | ||||
| Loss Contingencies [Line Items] | ||||
| Adjustment Recorded | 0 | |||
| Minimum | IRS NOPA | ||||
| Loss Contingencies [Line Items] | ||||
| Income Tax Contingency, Increased Annual Effective Tax Rate | 20.00% | |||
| Maximum | IRS NOPA | ||||
| Loss Contingencies [Line Items] | ||||
| Income Tax Contingency, Increased Annual Effective Tax Rate | 22.00% | |||