Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
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Jun. 30, 2019 |
Jun. 30, 2018 |
Dec. 31, 2017 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Sep. 30, 2018 |
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Income Tax Disclosure [Abstract] | ||||||
Income tax expense | $ 153.1 | $ 162.5 | $ 350.5 | $ 458.9 | ||
Effective tax rate (percent) | 24.40% | 26.40% | 23.90% | 31.60% | ||
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 35.00% | 24.50% | ||||
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent | 21.00% | |||||
Deferred tax assets net of DTL | $ 190.5 | $ 190.5 | $ 211.7 | |||
Valuation allowance for deferred income taxes | $ 16.6 | $ 16.6 | $ 17.7 |
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- Definition The unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, before the valuation allowance. No definition available.
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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