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Insurance Expenses (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Insurance Expenses [Abstract] |  |  |  |  |  |  |  |  |  |  |
Commissions |  |  |  |  |  |  |  |  | $ 558.7 | $ 425.6 | $ 399.2
General Expenses |  |  |  |  |  |  |  |  | 229.7 | 194.1 | 209.0
Taxes, Licenses and Fees |  |  |  |  |  |  |  |  | 73.2 | 52.8 | 48.8
Total Costs Incurred |  |  |  |  |  |  |  |  | 861.6 | 672.5 | 657.0
Policy Acquisition Costs: |  |  |  |  |  |  |  |  |  |  |
Deferred |  |  |  |  |  |  |  |  | (481.5) | (351.6) | (314.9)
Amortized |  |  |  |  |  |  |  |  | 377.1 | 318.3 | 299.3
Net Policy Acquisition Costs Deferred |  |  |  |  |  |  |  |  | (104.4) | (33.3) | (15.6)
Amortization of VOBA |  |  |  |  |  |  |  |  | 143.3 | 5.1 | 5.9
Insurance Expenses | $ 273.2 | $ 296.0 | $ 171.2 | $ 160.1 | $ 159.1 | $ 163.7 | $ 163.5 | $ 158.0 | $ 900.5 | $ 644.3 | $ 647.3

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- Definition Amount of amortization expense (reversal of expense) for deferred policy acquisition costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6480726&loc=d3e6691-158385 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(7)(a)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35755530&loc=d3e11264-158415 + Details
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- Definition Total amount of policy acquisition costs capitalized during the income statement period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35755530&loc=d3e11264-158415 + Details
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- Definition The expense incurred by an insurance company to persons or entities for generating or placing insurance or investment contracts with the company, usually determined as a percentage of policy or contract premiums. Excludes advances or draws to be applied against commissions earned. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.7(a)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 + Details
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