Share Based and Deferred Compensation (Restricted Share Activity) (Details) (Restricted Stock [Member], USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Executive Officer [Member]	Mar. 12, 2014 Executive Officer [Member]	Mar. 11, 2014 Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares					68,049
Allocated Share-based Compensation Expense	$ 0.5	$ 0.9	$ 1.9	$ 1.8
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized						69,794	131,641
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period					15 years
Non-vested at January 1, 2013, shares	550,222		563,713
Non-vested at January 1, 2013, Weighted Average Grant Date Fair Value	$ 12.22		$ 12.56
Granted, Equity Instruments Other than Options, Grants in Period			229,119
Granted, Weighted Average Grant Date Fair Value			$ 14.47
Vested, shares			(234,169)
Vested, Weighted Average Grant Date Fair Value			$ 13.44
Forfeited, shares			(8,441)
Forfeited, Weighted Average Grant Date Fair Value			$ 12.36
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount	$ 0.1	$ 0.1	$ 0.4	$ 0.3