Income Taxes (Details) - USD ($) |
3 Months Ended | ||
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Feb. 28, 2019 |
Feb. 28, 2018 |
Nov. 30, 2018 |
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Income Tax Expense (Benefit), Continuing Operations [Abstract] | |||
Income tax expense | $ 4,500,000 | $ 117,300,000 | |
Effective tax rate | 13.00% | 254.80% | |
Net (increase) reduction in valuation allowance | $ 3,300,000 | $ (3,300,000) | |
Excess tax benefits related to stock-based compensation | (2,000,000) | (2,200,000) | |
Tax cuts and jobs act, non-cash charge | 111,200,000 | ||
Tax cuts and jobs act, re-measurement of deferred tax assets | 107,900,000 | ||
Tax credits | 800,000 | $ 4,000,000 | |
Deferred tax assets | 453,600,000 | $ 465,400,000 | |
Valuation allowance | 20,300,000 | 23,600,000 | |
Adjustments to deferred tax valuation allowance | 0 | ||
Gross unrecognized taxe benefits (including interest and penalties) | $ 0 | $ 0 |
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- Definition Tax Cuts and Jobs Act of 2017 Incomplete Accounting Change in Tax Rate Provisional Income Tax Expense Benefit No definition available.
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- Definition Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount - Other No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- References No definition available.
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- Definition Amount 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 increase (decrease) in the income tax rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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