Corporate Investments and Funds Held For Clients (Schedule Of Investment Of Funds Held For Clients) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Jun. 30, 2017
Corporate Investments And Funds Held For Clients [Abstract]
Restricted cash and cash equivalents held to satisfy client funds obligations	$ 11,151.3	$ 5,401.2
Restricted short-term marketable securities held to satisfy client funds obligations	2,420.5	2,918.5
Restricted long-term marketable securities held to satisfy client funds obligations	20,074.9	18,971.8
Total funds held for clients	$ 33,646.7	$ 27,291.5

Investments in debt and equity securities which are categorized neither as trading securities nor held-to-maturity securities, which are intended be sold or mature within one year from the balance sheet date or the normal operating cycle, whichever is longer, and that are pledged to one or more secured parties who have the right to buy, sell, or re-pledge the collateral.

Investments in debt and equity securities which are categorized neither as trading securities nor held-to-maturity securities, which are intended be sold or mature greater than one year from the balance sheet date or the normal operating cycle, whichever is longer, and that are pledged to one or more secured parties who have the right to buy, sell, or re-pledge the collateral.

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