Share Based and Deferred Compensation (Restricted Share Activity) (Details) (Restricted Stock [Member], USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 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]
Allocated Share-based Compensation Expense	$ 1.4	$ 0.9
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	563,713
Non-vested at January 1, 2013, Weighted Average Grant Date Fair Value	$ 12.56
Granted, Shares	201,435
Granted, Weighted Average Grant Date Fair Value	$ 14.37
Vested, shares	(70,548)
Vested, Weighted Average Grant Date Fair Value	$ 16.82
Forfeited, shares	(6,696)
Forfeited, Weighted Average Grant Date Fair Value	$ 11.84
Non-vested at June 30, 2013, shares	687,904
Non-vested at June 30, 2013, Weighted Average Grant Date Fair Value	$ 12.66
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount	$ 0.2	$ 0.2