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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)

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