Income Taxes (Details) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2015
Sep. 30, 2014
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2014
Related Party Transaction [Line Items]            
Deferred tax adjustment to reflect additional tax depreciation       $ 4,600,000    
Valuation allowances 3,400,000     3,400,000   7,100,000
Valuation allowances adjustment   2,300,000        
Unrecognized income tax benefits 1,800,000     1,800,000   200,000
Unrecognized income tax benefits that would impact effective tax rate, if recognized 1,500,000     1,500,000   200,000
Unrecognized income tax benefits adjustment related to prior period tax positions       900,000    
Effective tax rate 36.00%   29.00% 38.30% 32.40%  
Valuation allowance adjustment with favorable impact on effective tax rate     7,200,000   7,200,000  
Uncertain tax matters with favorable impact on effective tax rate         3,600,000  
State | Income Tax            
Related Party Transaction [Line Items]            
Income taxes due from (to) related party 900,000     900,000   0
Foreign | Income Tax            
Related Party Transaction [Line Items]            
Income taxes due from (to) related party $ (2,800,000)     $ (2,800,000)   $ 0