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Income Taxes (Reconciliation of U.S. Federal Statutory Rate To Effective Tax Rate) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Income Tax Disclosure [Abstract] |  |  |
Provision for taxes at U.S. statutory rate | $ 705.9 | $ 668.4 | $ 631.2
Provision for taxes at U.S. statutory rate, percent | 21.00% | 21.00% | 21.00%
State taxes, net of federal tax benefit | $ 67.2 | $ 85.6 | $ 80.7
State taxes, net of federal tax benefit, percent | 2.00% | 2.70% | 2.70%
Valuation allowance release on foreign tax credits | $ 0.0 | $ (20.3) | $ 0.0
Valuation allowance release on foreign tax credits, percent | 0.00% | (0.60%) | 0.00%
Foreign rate differential | $ 34.0 | $ 44.9 | $ 46.9
Foreign rate differential, percent | 1.00% | 1.40% | 1.60%
Excess tax benefit - Stock-based compensation | $ (8.8) | $ (26.9) | $ (29.8)
Excess tax benefit - Stock-based compensation, percent | (0.20%) | (0.80%) | (1.00%)
Other | $ (35.6) | $ (35.6) | $ (16.2)
Other, percent | (1.10%) | (1.20%) | (0.60%)
Total provision for income taxes | $ 762.7 | $ 716.1 | $ 712.8
Provision for income taxes from continuing operations, percent | 22.70% | 22.50% | 23.70%

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