Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Stock options vesting period	five
Stock options term in years	10
Unrecognized compensation cost of non-vested stock options	$ 4.8
Unrecognized compensation cost of restricted stock awards	27.4
Amortization period of unrecognized compensation cost	2.6
Amortization period of unrecognized compensation cost for restricted stock awards	1.5
Time-Based Restricted Stock [Member]
Stock options term in years	five
Segment, Continuing Operations [Member]
Stock-based compensation expense	30.0	27.3	28.6
Related tax benefits	11.3	10.4	11.4
Discontinued Operations [Member]
Stock-based compensation expense	1.1	1.1	1.1
Related tax benefits	$ 0.4	$ 0.4	$ 0.4

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Unrecognized compensation cost of restricted stock awards

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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-Name Staff Accounting Bulletin (SAB)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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- Definition

The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

+ References

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Description of the estimated period of time over which an employee is required to provide service in exchange for the equity-based payment award, which often is the vesting period. This period may be explicit or implicit based on the terms of the award, and may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).

+ References

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Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

+ References

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-Publisher FASB
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