Subsequent Events (Details) - USD ($) $ in Millions	9 Months Ended		10 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Nov. 07, 2016
Subsequent Event [Line Items]
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries			$ 20.0
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities			$ 0.6
Unrecognized Tax Benefits, Income Tax Penalties Expense	$ 1.8	$ 0.6
Liability for Uncertainty in Income Taxes, Current	$ 82.9