Income Taxes (Effective Income Tax Rate Reconciliation) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Income Taxes
Provision for income taxes at U.S. statutory rate, Amount	$ 94.4	$ 119.7	$ 121.1
Provision for income taxes at U.S. statutory rate, Rate	35.00%	35.00%	35.00%
State taxes, net of federal tax, Amount	3.6	8.6	5.8
State taxes, net of federal tax, Rate	1.30%	1.60%	1.70%
Foreign taxes, Amount	(1.4)	(4.6)	(1.7)
Foreign taxes, Rate	(0.50%)	(1.40%)	(0.50%)
Valuation allowances on tax attributes, Amount	(4.5)	(9.5)	(4.1)
Valuation allowances on tax attributes, Rate	(1.70%)	(2.80%)	(1.20%)
Advance Pricing Agreement Adjustment, Amount	4.9
Advance Pricing Agreement Adjustment, Rate	1.90%
Other, Amount	0.9	2.8	1.8
Other, Rate	0.30%	1.80%	0.50%
Total provision for income taxes	$ 97.9	$ 117.0	$ 122.9
Effective rate of provision for income taxes	36.30%	34.20%	35.50%

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Income Tax Reconciliation Advance Pricing Agreement Adjustment, Amount

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to changes in the valuation allowance for deferred tax assets.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate recorded during the period.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to total foreign income tax expense or benefit. The foreign income tax expense or benefit difference represents the income tax expense or benefit at applicable domestic statutory income tax rates applied to foreign earnings or loss for the period versus the foreign income tax expense or benefit calculated by applying the appropriate foreign tax rates.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to all other items not otherwise listed in the existing taxonomy.

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