Credit Facilities and Long-Term Debt, Deferred Financing Costs (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Deferred Financing Costs [Abstract]
Deferred financing costs	$ 2.6	$ 3.0
Amortization of financing costs reminder of 2014	0.3
Amortization of financing costs in 2015	0.7
Amortization of financing costs in 2016	0.7
Amortization of financing costs in 2017	0.7
Amortization of financing costs in 2018	$ 0.2