Equity Dividends Paid (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Stockholders' Equity Attributable to Parent [Abstract]
Dividends, Common Stock, Cash	$ 1.7	$ 1.8	$ 3.3	$ 3.5