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Investment Securities (Restrictions on Redemption Frequency and Advance Notice Requirements) (Details) (Hedge funds, USD $) In Millions, unless otherwise specified | Mar. 31, 2013
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Investment securities |
Other long-term investments | $ 117.7
Distributions from inactive hedge funds | 2.6
Redemption requests | 7.1
Monthly |
Investment securities |
Other long-term investments | 6.8
Quarterly |
Investment securities |
Other long-term investments | 77.7
Semi-annual |
Investment securities |
Other long-term investments | 22.7
Annual |
Investment securities |
Other long-term investments | 10.5
30-59 days notice |
Investment securities |
Other long-term investments | 29.6
30-59 days notice | Monthly |
Investment securities |
Other long-term investments | 0
30-59 days notice | Quarterly |
Investment securities |
Other long-term investments | 27.9
30-59 days notice | Semi-annual |
Investment securities |
Other long-term investments | 0
30-59 days notice | Annual |
Investment securities |
Other long-term investments | 1.7
60-89 days notice |
Investment securities |
Other long-term investments | 53.9
60-89 days notice | Monthly |
Investment securities |
Other long-term investments | 0
60-89 days notice | Quarterly |
Investment securities |
Other long-term investments | 31.2
60-89 days notice | Semi-annual |
Investment securities |
Other long-term investments | 22.7
60-89 days notice | Annual |
Investment securities |
Other long-term investments | 0
90-119 days notice |
Investment securities |
Other long-term investments | 17.5
90-119 days notice | Monthly |
Investment securities |
Other long-term investments | 0
90-119 days notice | Quarterly |
Investment securities |
Other long-term investments | 9.0
90-119 days notice | Semi-annual |
Investment securities |
Other long-term investments | 0
90-119 days notice | Annual |
Investment securities |
Other long-term investments | 8.5
120+ days notice |
Investment securities |
Other long-term investments | 16.7
120+ days notice | Monthly |
Investment securities |
Other long-term investments | 6.8
120+ days notice | Quarterly |
Investment securities |
Other long-term investments | 9.6
120+ days notice | Semi-annual |
Investment securities |
Other long-term investments | 0
120+ days notice | Annual |
Investment securities |
Other long-term investments | $ 0.3

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- 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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- Definition This element represents the total fair market value of investments in certain entities that calculate net asset value per share (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements, but may also be used in both the balance sheet and disclosure in the same submission. This item represents alternative investments as of the balance sheet date which may include investments in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds, and any other investment in which investee management calculates net asset value per share as the primary metric for investment value. + References No definition available. + Details
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