Income Taxes (Components of Provision for Income Taxes) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2022 |
May 31, 2021 |
May 31, 2020 |
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| Income Tax Disclosure [Abstract] | |||
| Federal | $ 326.0 | $ 271.5 | $ 264.8 |
| State | 104.5 | 85.9 | 77.5 |
| Non-U.S. | (1.0) | 0.3 | 0.7 |
| Total current | 429.5 | 357.7 | 343.0 |
| Federal | 0.9 | (12.9) | (0.8) |
| State | 0.9 | (7.6) | (3.5) |
| Non-U.S. | 0.5 | (0.5) | 0.3 |
| Total deferred | 2.3 | (21.0) | (4.0) |
| Income taxes | $ 431.8 | $ 336.7 | $ 339.0 |
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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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