Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Mar. 31, 2017	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2016
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation, Percent	10.30%			(114.10%)
U.S. statutory rate (as a percent)	35.00%	35.00%		35.00%
Income Tax Expense (Benefit)	$ 3.9			$ (9.7)
Tax Year 2012 [Member]
Income Tax Contingency [Line Items]
Deferred Tax Assets, Gross			$ 0.6
Operating Loss Carryforwards, Valuation Allowance			0.6
Tax Assessment Year 2010 to 2012 [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit)			$ (3.5)
Tax Assessment Year 2007 to 2009 [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit)				$ (12.8)
Discontinued Operations [Member] | Tranzact [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit)					$ (21.4)