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Investment Securities (Restrictions on Redemption Frequency and Advance Notice Requirements) (Details) (Hedge funds, USD $) In Millions, unless otherwise specified | Sep. 30, 2014
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Schedule of Trading Securities and Other Trading Assets [Line Items] |
Distributions from Inactive Hedge Funds | $ 2.1
Other long-term investments | 114.6
Redemption requests | 28.3
30-59 days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 35.2
Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period60 To89 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 49.8
Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period90 To119 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 21.0
120+ days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 8.6
Monthly |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 4.5
Monthly | 30-59 days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 4.5
Monthly | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period60 To89 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Monthly | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period90 To119 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Monthly | 120+ days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Quarterly |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 73.1
Quarterly | 30-59 days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 30.7
Quarterly | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period60 To89 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 22.9
Quarterly | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period90 To119 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 11.1
Quarterly | 120+ days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 8.4
Semi-annual |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 26.9
Semi-annual | 30-59 days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Semi-annual | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period60 To89 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 26.9
Semi-annual | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period90 To119 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Semi-annual | 120+ days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Annual |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 10.1
Annual | 30-59 days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Annual | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period60 To89 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 0
Annual | Fair Value Investments Entities that Calculate Net Asset Value Per Share Investment Redemption Notice Period90 To119 Days [Member] |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | 9.9
Annual | 120+ days notice |
Schedule of Trading Securities and Other Trading Assets [Line Items] |
Other long-term investments | $ 0.2

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- Details
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- Definition Amount of other investments classified as trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),1(c),(d),(e),(f),(g)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph c, d, e, f, g -Article 7 + Details
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- Definition Distributions pending from hedge funds that are no longer active and are in process of disposing their underlying investments. + References No definition available. + Details
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- Definition The amount of redemption requests submitted for investments for hedge funds. + References No definition available. + Details
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