v3.2.0.727
Income Taxes Tax Return Filing Determinations and Elections (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 8 Months Ended 9 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 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 18.00% 13.00% 17.00% 15.00%    
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%