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Income Taxes Net Operating Loss Carryforwards (Details)
$ in Millions
Jun. 30, 2015
USD ($)
State and Local Jurisdiction [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards $ 10.8
Expiring between 2015 and 2027 [Member] | State and Local Jurisdiction [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards 6.3
Expiring beginning in 2028 [Member] | Internal Revenue Service (IRS) [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards 37.9
Federal Tax Credit Carryforward, Amount 7.9
Expiring between 2028 and 2033 [Member] | State and Local Jurisdiction [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards $ 4.5