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Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2014
Notes to Financial Statements [Abstract] |
Notional Amounts for Each Category of Derivative Activity | The table below summarizes, by notional amounts, the activity for each category of derivatives. The notional amounts represent the basis upon which our counterparty pay and receive amounts are calculated.
| Swaps |  |  |  |  |  |
| Receive Variable/Pay Fixed |  | Receive Fixed/Pay Fixed |  | Receive Fixed/Pay Variable |  | Credit Default |  | Forwards |  | Options |  | Total
| (in millions of dollars)
Balance at December 31, 2011 | $ | 174.0 |  |  | $ | 554.0 |  |  | $ | 685.0 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,413.0 |
Additions | — |  |  | — |  |  | 250.0 |  |  | — |  |  | 86.0 |  |  | — |  |  | 336.0 |
Terminations | — |  |  | 45.2 |  |  | 185.0 |  |  | — |  |  | 86.0 |  |  | — |  |  | 316.2 |
Balance at December 31, 2012 | 174.0 |  |  | 508.8 |  |  | 750.0 |  |  | — |  |  | — |  |  | — |  |  | 1,432.8 |
Additions | — |  |  | 160.0 |  |  | — |  |  | 97.0 |  |  | 24.0 |  |  | 10.0 |  |  | 291.0 |
Terminations | 24.0 |  |  | 38.4 |  |  | 150.0 |  |  | — |  |  | 24.0 |  |  | 10.0 |  |  | 246.4 |
Balance at December 31, 2013 | 150.0 |  |  | 630.4 |  |  | 600.0 |  |  | 97.0 |  |  | — |  |  | — |  |  | 1,477.4 |
Additions | — |  |  | 250.1 |  |  | — |  |  | — |  |  | 68.0 |  |  | — |  |  | 318.1 |
Terminations | — |  |  | 40.1 |  |  | — |  |  | — |  |  | 68.0 |  |  | — |  |  | 108.1 |
Balance at December 31, 2014 | $ | 150.0 |  |  | $ | 840.4 |  |  | $ | 600.0 |  |  | $ | 97.0 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,687.4 |
Location and Fair Values of Derivative Financial Instruments | The following tables summarize the location and fair values of derivative financial instruments, as reported in our consolidated balance sheets.
| December 31, 2014
| Asset Derivatives |  | Liability Derivatives
| Balance Sheet Location |  | Fair Value |  | Balance Sheet Location |  | Fair Value
| (in millions of dollars)
Designated as Hedging Instruments |  |  |  |  |  |  |
Interest Rate Swaps | Other L-T Investments |  | $ | 5.7 |  |  | Other Liabilities |  | $ | 20.8 |
Foreign Exchange Contracts | Other L-T Investments |  | 22.3 |  |  | Other Liabilities |  | 39.6 |
Total |  |  | $ | 28.0 |  |  |  |  | $ | 60.4 |
Not Designated as Hedging Instruments |  |  |  |  |  |  |
Credit Default Swaps |  |  |  |  | Other Liabilities |  | $ | 1.2 |
Foreign Exchange Contracts |  |  |  |  | Other Liabilities |  | 31.3 |
Embedded Derivative in Modified Coinsurance Arrangement |  |  |  |  | Other Liabilities |  | 49.9 |
Total |  |  |  |  |  |  | $ | 82.4 |
| December 31, 2013
| Asset Derivatives |  | Liability Derivatives
| Balance Sheet Location |  | Fair Value |  | Balance Sheet Location |  | Fair Value
| (in millions of dollars)
Designated as Hedging Instruments |  |  |  |  |  |  |
Interest Rate Swaps | Other L-T Investments |  | $ | 9.2 |  |  | Other Liabilities |  | $ | 35.0 |
Foreign Exchange Contracts | Other L-T Investments |  | 1.6 |  |  | Other Liabilities |  | 98.7 |
Total |  |  | $ | 10.8 |  |  |  |  | $ | 133.7 |
Not Designated as Hedging Instruments |  |  |  |  |  |  |
Credit Default Swaps |  |  |  |  | Other Liabilities |  | $ | 1.9 |
Embedded Derivative in Modified Coinsurance Arrangement |  |  |  |  | Other Liabilities |  | 53.2 |
Total |  |  |  |  |  |  | $ | 55.1 |
Location of Gains and Losses on Derivative Instruments Designated as Cash Flow Hedging Instruments | The following table summarizes the location of gains and losses on the effective portion of derivative financial instruments designated as cash flow hedging instruments, as reported in our consolidated statements of income and consolidated statements of comprehensive income.
|  | Year Ended December 31
|  | 2014 |  | 2013 |  | 2012
|  | (in millions of dollars)
Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivatives |  |  |  |  |
Interest Rate Swaps and Forwards | $ | (0.1 | ) |  | $ | (7.2 | ) |  | $ | 77.9 |
Options | — |  |  | (0.1 | ) |  | — |
Foreign Exchange Contracts | 16.2 |  |  | 22.6 |  |  | 3.5 |
| Total | $ | 16.1 |  |  | $ | 15.3 |  |  | $ | 81.4 |
Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income |  |  |  |  |
Net Investment Income |  |  |  |  |
| Interest Rate Swaps and Forwards | $ | 47.8 |  |  | $ | 43.1 |  |  | $ | 40.0 |
| Foreign Exchange Contracts | (4.2 | ) |  | (5.9 | ) |  | (5.3 | )
Net Realized Investment Gain (Loss) |  |  |  |  |
| Interest Rate Swaps | 4.3 |  |  | 1.3 |  |  | 4.1 |
| Foreign Exchange Contracts | 6.9 |  |  | (13.8 | ) |  | (17.0 | )
Interest and Debt Expense |  |  |  |  |
| Interest Rate Swaps | (1.8 | ) |  | (1.7 | ) |  | (1.7 | )
| Total | $ | 53.0 |  |  | $ | 23.0 |  |  | $ | 20.1 |
Gains and Losses on Derivatives Not Designated as Hedging Instruments | The following table summarizes the location of gains and losses on our derivatives not designated as hedging instruments, as reported in our consolidated statements of income.
|  | Year Ended December 31
|  | 2014 |  | 2013 |  | 2012
|  | (in millions of dollars)
Net Realized Investment Gain (Loss) |  |  |  |  |
| Credit Default Swaps | $ | (0.3 | ) |  | $ | (1.9 | ) |  | $ | — |
| Foreign Exchange Contracts | (1.8 | ) |  | — |  |  | — |
| Embedded Derivative in Modified Coinsurance Arrangement | 3.3 |  |  | 30.7 |  |  | 51.8 |
| Total | $ | 1.2 |  |  | $ | 28.8 |  |  | $ | 51.8 |

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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41678-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41620-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579240-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41641-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41638-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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