Income Taxes Net Operating Loss Carryforwards (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 15.0
Expiring beginning in 2028 [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	69.4
Federal Tax Credit Carryforward, Amount	4.4
Expiring between 2012 and 2027 [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	8.3
Expiring between 2028 and 2033 [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 6.7