v2.4.0.6

Fair Value Measurements - Level 3 Inputs Reconciliation (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at Beginning of Period | $ 404.4 | $ 270.1 | $ 348.1 | $ 241.0
Included in Condensed Consolidated Statements of Operations | 1.4 | 0.8 | 7.0 | 5.9
Included in Other Comprehensive Income | 8.3 | (14.7) | 5.3 | (19.6)
Purchases | 44.2 | 29.4 | 157.9 | 101.5
Settlements | (13.6) | (18.2) | (64.2) | (55.2)
Sales | 0 |  | (4.2) | (6.2)
Transfers into Level 3 | 5.1 | 5.4 | 6.0 | 5.4
Transfers out of Level 3 | 0 | 0 | 6.1 | 0
Balance at End of Period | 449.8 | 272.8 | 449.8 | 272.8
Fair Value, Level 1 to level 2 Transfers, Amount | 0 | 0 | 0 | 2.2
Fair Value, Level 2 to Level 1 Transfers, Amount | 0 | 0 | 0 | 0
Corporate Bonds and Notes [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at Beginning of Period | 276.3 | 174.8 | 235.1 | 146.2
Included in Condensed Consolidated Statements of Operations | 1.4 | 0.6 | 3.5 | 1.0
Included in Other Comprehensive Income | 1.5 | 1.1 | 2.2 | 2.5
Purchases | 37.6 | 20.1 | 123.1 | 76.1
Settlements | (10.8) | (15.4) | (52.2) | (44.1)
Sales | 0 |  | (0.5) | (0.5)
Transfers into Level 3 | 5.1 |  | 6.0 | 5.4
Transfers out of Level 3 |  |  | 6.1 |
Balance at End of Period | 311.1 | 186.6 | 311.1 | 186.6
Redeemable Preferred Stocks [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at Beginning of Period | 4.6 | 6.4 | 6.1 | 4.5
Included in Condensed Consolidated Statements of Operations | 0 | 0 | 0 | 0
Included in Other Comprehensive Income | 0.2 | (1.9) | 0.3 | 0
Purchases | 0 | 0 | 0 | 0
Settlements | 0 | 0 | (1.6) | 0
Sales | 0 |  | 0 | 0
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 |  |  | 0 |
Balance at End of Period | 4.8 | 4.5 | 4.8 | 4.5
Mortgage and Asset-backed [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at Beginning of Period | 0.2 | 0.3 | 0.3 | 0.4
Included in Condensed Consolidated Statements of Operations | 0 | 0 | 0 | 0
Included in Other Comprehensive Income | 0 | 0 | 0 | 0
Purchases | 0 | 0 | 0 | 0
Settlements | 0 | 0 | (0.1) | (0.1)
Sales | 0 |  | 0 | 0
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 |  |  | 0 |
Balance at End of Period | 0.2 | 0.3 | 0.2 | 0.3
Preferred and Common Stocks [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at Beginning of Period | 13.4 | 8.5 | 13.5 | 14.7
Included in Condensed Consolidated Statements of Operations | 0 | (0.1) | 3.2 | 4.6
Included in Other Comprehensive Income | 0.5 | (0.2) | (0.3) | (5.5)
Purchases | 0.1 | 1.0 | 1.3 | 1.5
Settlements | 0 | 0 | 0 | (0.4)
Sales | 0 |  | (3.7) | (5.7)
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 |  |  | 0 |
Balance at End of Period | 14.0 | 9.2 | 14.0 | 9.2
Other Equity Interests [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at Beginning of Period | 109.9 | 80.1 | 93.1 | 75.2
Included in Condensed Consolidated Statements of Operations | 0 | 0.3 | 0.3 | 0.3
Included in Other Comprehensive Income | 6.1 | (13.7) | 3.1 | (16.6)
Purchases | 6.5 | 8.3 | 33.5 | 23.9
Settlements | (2.8) | (2.8) | (10.3) | (10.6)
Sales | 0 |  | 0 | 0
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 |  |  | 0 |
Balance at End of Period | $ 119.7 | $ 72.2 | $ 119.7 | $ 72.2

X
- Definition The amount of transfers of assets, liabilities, and financial instruments classified in shareholders' equity measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. + References No definition available. + Details
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- Definition The amount of transfers of assets, liabilities, and financial instruments classified in shareholders' equity measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Transfers into assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Transfers out of assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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