Other Income, Net (Narrative) (Details) (USD $) In Millions, except Per Share data	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Proceeds from sales and maturities of available-for-sale securities	$ 3,305.1	$ 3,406.9	$ 3,320.4
Realized (gain) loss on investment in Reserve Fund	(0.9)	(15.2)	18.3
Gain (loss) on sale of buildings	1.8	(2.3)	2.2
Loss on reclassified assets held for sale	11.7
Income from Broadridge Financial Solutions, Inc. outsourcing agreement	113.0	104.8
Cost of services provided pursuant to the Broadridge Financial Solutions, Inc. outsourcing agreement	110.8	102.6
Decrease in net assets value of reserve fund per share as result of write off of reserve fund holding in debt securities			$ 1
Receivable for services rendered pursuant to the Broadridge Financial Solutions, Inc. outsourcing agreement	9.5	8.9
Impairment losses on available-for-sale securities		14.4
Certain Securities Held with Intent To Sell [Member]
Unrealized loss on securities		$ 14.4

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Gain on sale of buildings

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Receivables on books as of most current balance sheet presented for the technology services provided under an outsourcing agreement with third-party.

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Accumulated appreciation or loss, net of tax, in value of the total of available-for-sale securities at the end of an accounting period.

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For the asset that is reclassified back to held and used from held-for-sale, the amount of impairment charge that is recognized on the reclassification date.

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This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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Costs incurred in providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software.

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Revenue from providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software.

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This item represents the gain (loss) realized during the period from the sale of trading securities.

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