Acquisitions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009	Jun. 30, 2011 Acquired Technology [Member] Access Data Corp. [Member]	Jun. 30, 2011 Software And Software Licenses [Member] Matrix Financial Solutions, Inc. [Member]	Jun. 30, 2011 Software And Software Licenses [Member] Forefield, Inc. [Member]	Jun. 30, 2011 Software And Software Licenses [Member] New River, Inc. [Member]	Jun. 30, 2011 Software And Software Licenses [Member] City Networks, Ltd. [Member]	Jun. 30, 2011 Customer Relationships [Member] Matrix Financial Solutions, Inc. [Member]	Jun. 30, 2011 Customer Relationships [Member] Forefield, Inc. [Member]	Jun. 30, 2011 Customer Relationships [Member] New River, Inc. [Member]	Jun. 30, 2011 Customer Relationships [Member] City Networks, Ltd. [Member]	Jun. 30, 2011 Customer Relationships [Member] Access Data Corp. [Member]	Jun. 30, 2011 Non-Compete Agreements [Member] Matrix Financial Solutions, Inc. [Member]	Jun. 30, 2011 Trademarks [Member] Matrix Financial Solutions, Inc. [Member]	Jan. 31, 2011 Matrix Financial Solutions, Inc. [Member]	Dec. 31, 2010 Forefield, Inc. [Member]	Aug. 31, 2010 New River, Inc. [Member]	Jun. 30, 2010 City Networks, Ltd. [Member]	May 31, 2009 Access Data Corp. [Member]
Acquisition Materiality Threshold	$ 15.0	$ 15.0	$ 15.0
Number of businesses acquired	3	1
Purchase price of acquired entity	35.2															197.6	18.3	77.6	37.7	45.2
Senior 5-year unsecured credit facility	124.3	324.1
Finite-lived intangible assets, remaining amortization period, years				five	seven	five	seven	five	ten	seven	eight	ten	seven	three	five
Goodwill from acquisition																154.7	11.1	47.8	20.9	31.4
Intangible assets acquired																$ 71.5	$ 6.8	$ 27.3	$ 10.6	$ 13.0