Corporate Investments And Funds Held For Clients (Classification Of Corporate Investments On The Consolidated Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2011
Corporate Investments And Funds Held For Clients [Abstract]
Cash and cash equivalents	$ 1,983.6	[1],[2]	$ 1,699.1	[1]	$ 1,548.1	$ 1,389.4
Short-term marketable securities	2,032.2	[2]	28.0
Long-term marketable securities	54.1	[1]	314.0	[1],[2]
Total corporate investments	$ 4,069.9		$ 2,041.1

[1] As of June 30, 2013, $245.2 million of long-term marketable securities and $0.7 million of cash and cash equivalents have been pledged as collateral under the Company's reverse repurchase agreements (see Note 10).

[2] As of June 30, 2014, $2,015.8 million of short-term marketable securities and $183.8 million of cash and cash equivalents are related to the Company's outstanding commercial paper borrowings (see Note 10).