Acquisitions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Acquisitions
Number of businesses acquired	8	5	4
Purchase price for acquisitions, net of cash acquired	$ 370.6	$ 101.0	$ 62.7
Accrued contingent payments related to acquisitions	1.6	3.7	6.4
Amount of Goodwill resulting from acquisitions	269.8	80.8	60.3
Intangible assets acquired consisting of software, customer contracts and lists, and trademarks	134.8	33.5	20.8
Weighted average amortized life of intangible assets acquired as part of acquisitions (years)	9	7	9
Amount of Contingent Consideration from previous acquisitions paid during period	0.8	2.6	10.7
Outstanding balance of accrued acquisition-related contingent consideration	$ 7.0	$ 7.1

Acquisitions

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The amount of accrued contingent consideration remaining as of the end of the current fiscal year, relating to previously consummated acquisitions.

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The amount of contingent payments made during the current fiscal year relating to previously consummated acquisitions.

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The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of potential cash payments that could result from the contingent consideration arrangement.

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 52
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Number 141
-Paragraph 53
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The number of businesses acquired by the entity during the period.

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