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Shareholders' Equity (Dividends Declared) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | Nov. 01, 2013 | Jul. 30, 2013 | May 07, 2013 | Jan. 17, 2013 | Oct. 31, 2012 | Aug. 07, 2012
--- | --- | --- | --- | --- | --- | ---
Dividends Payable [Line Items] |  |  |  |  |  |
Distribution Per Share | $ 0.55 | $ 0.5 | $ 0.5 | $ 0.5 | $ 0.20 | $ 0.20
Aggregate Payment Amount | $ 39.6 | $ 36.1 | $ 35.8 | $ 35.7 | $ 12.3 | $ 12.3
Qualified |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |
Distribution Per Share | $ 171 | $ 155 | $ 155 | $ 155 |  |
Non-Qualified |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |
Distribution Per Share | $ 379 | $ 345 | $ 345 | $ 345 |  |

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