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Schedule II - Condensed Financial Information of Registrant Statements of Operations and Comprehensive Income (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, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend income |  |  |  |  |  |  |  |  |  |  |  |  | $ 207.1 | $ 200.1 | $ 199.1
Other income | $ 3.4 | $ 1.4 | $ 2.1 | $ 2.1 | $ 3.9 | $ (2.2) | $ 3.6 | $ 3.6 | $ 3.3 | $ 1.5 | $ (0.5) | $ 1.4 | 9.0 | 8.9 | 5.7
Total revenues | 598.5 | 674.4 | 575.5 | 683.5 | 581.2 | 726.6 | 662.0 | 683.6 | 629.9 | 755.6 | 773.4 | 779.6 | 2,531.9 | 2,653.4 | 2,938.5
Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General, administrative and corporate expenses | (100.1) | (160.4) | (110.2) | (121.0) | (150.1) | (110.9) | (119.9) | (121.3) | (128.9) | (125.0) | (116.4) | (119.8) | (491.7) | (502.2) | (490.1)
(Loss)/income from operations before income tax | (143.6) | (30.6) | (16.2) | 34.4 | (195.1) | (263.0) | 77.0 | 99.3 | (74.1) | 100.5 | 66.2 | 116.9 | (156.0) | (281.8) | 209.5
Income tax credit | (3.2) | 15.5 | 1.5 | (3.6) | 10.2 | 9.2 | (1.2) | (2.8) | 2.6 | (4.9) | (1.3) | (2.5) | 10.2 | 15.4 | (6.1)
Net (loss)/income | $ (146.8) | $ (15.1) | $ (14.7) | $ 30.8 | $ (184.9) | $ (253.8) | $ 75.8 | $ 96.5 | $ (71.5) | $ 95.6 | $ 64.9 | $ 114.4 | (145.8) | (266.4) | 203.4
Amount attributable to non-controlling interest |  |  |  |  |  |  |  |  |  |  |  |  | (1.0) | (1.3) | (0.1)
Net (loss)/income attributable to Aspen Insurance Holdings Limited’s ordinary shareholders |  |  |  |  |  |  |  |  |  |  |  |  | (146.8) | (267.7) | 203.3
Other Comprehensive Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrealized gains on investments |  |  |  |  |  |  |  |  |  |  |  |  | (76.5) | (12.8) | (37.7)
Other comprehensive (loss)/income, net of tax |  |  |  |  |  |  |  |  |  |  |  |  | (66.0) | (50.8) | (64.7)
Total comprehensive (loss)/income attributable to Aspen Insurance Holdings Limited’s ordinary shareholders |  |  |  |  |  |  |  |  |  |  |  |  | (212.8) | (318.5) | 138.6
Parent Company |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in net earnings of subsidiaries and other investments, equity method |  |  |  |  |  |  |  |  |  |  |  |  | (371.3) | (590.7) | (85.2)
Dividend income |  |  |  |  |  |  |  |  |  |  |  |  | 340.3 | 373.6 | 331.3
Interest income on Eurobond |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 | 18.7 | 21.1
Net realized and unrealized investment gains/(losses) |  |  |  |  |  |  |  |  |  |  |  |  | (5.1) | (2.3) | 3.8
Other income |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  | (36.1) | (200.7) | 271.0
Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General, administrative and corporate expenses |  |  |  |  |  |  |  |  |  |  |  |  | (83.8) | (36.2) | (38.1)
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  | (25.9) | (29.5) | (29.5)
(Loss)/income from operations before income tax |  |  |  |  |  |  |  |  |  |  |  |  | (145.8) | (266.4) | 203.4
Income tax credit |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Net (loss)/income |  |  |  |  |  |  |  |  |  |  |  |  | (145.8) | (266.4) | 203.4
Amount attributable to non-controlling interest |  |  |  |  |  |  |  |  |  |  |  |  | (1.0) | (1.3) | (0.1)
Net (loss)/income attributable to Aspen Insurance Holdings Limited’s ordinary shareholders |  |  |  |  |  |  |  |  |  |  |  |  | (146.8) | (267.7) | 203.3
Other Comprehensive Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrealized gains on investments |  |  |  |  |  |  |  |  |  |  |  |  | (76.5) | (12.8) | (37.7)
Net change from current period hedged transactions |  |  |  |  |  |  |  |  |  |  |  |  | (1.8) | 2.6 | 0.7
Change in foreign currency translation adjustment |  |  |  |  |  |  |  |  |  |  |  |  | 12.3 | (40.6) | (27.7)
Other comprehensive (loss)/income, net of tax |  |  |  |  |  |  |  |  |  |  |  |  | (66.0) | (50.8) | (64.7)
Total comprehensive (loss)/income attributable to Aspen Insurance Holdings Limited’s ordinary shareholders |  |  |  |  |  |  |  |  |  |  |  |  | $ (212.8) | $ (318.5) | $ 138.6

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- Definition The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + 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 210.7-04.3(a)) -URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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