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Discontinued Operations Discontinued Operations (Cash Flows Table) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash Provided by (Used in) Operating Activities, Discontinued Operations | $ (24.7) | $ 56.0 | $ 48.9
Cash Provided by (Used in) Investing Activities, Discontinued Operations | 221.7 | (5.4) | 51.2
Cash Provided by (Used in) Financing Activities, Discontinued Operations | (0.2) | (11.6) | (64.5)
Net Cash Provided by (Used in) Discontinued Operations | 196.8 | 34.5 | 21.3
Cash balance at beginning of year | 167.2 | 232.7 | 233.5
Cash and Cash Equivalents, Period Increase (Decrease) | (17.7) | (66.6) | 1.5
Cash balance at end of year | 149.8 | 167.2 | 232.7
Sirius Group |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Effect of Exchange Rate on Cash | 0.0 | (4.5) | (14.3)
Discontinued Operations |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash balance at beginning of year | 150.2 | 116.8 | 93.2
Cash and Cash Equivalents, Period Increase (Decrease) | (0.3) | (1.1) | 2.3
Cash Divested from Deconsolidation | 345.8 |  |
Cash balance at end of year | $ 0.9 | $ 150.2 | $ 116.8

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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