Income Taxes Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Sep. 30, 2012
U.S. Federal [Member]
Current Federal Tax Expense (Benefit) [Line Items]
Deferred Tax Liabilities		$ 45.0
Amount of valuation allowance reversal	70.1
Valuation Allowance, Amount		29.4
State [Member]
Current Federal Tax Expense (Benefit) [Line Items]
Deferred Tax Liabilities		6.3
Amount of valuation allowance reversal	20.0
Valuation Allowance, Amount		9.6
CCAL [Member]
Current Federal Tax Expense (Benefit) [Line Items]
Valuation Allowance, Amount		$ 60.0