Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Mar. 31, 2018 |
Dec. 31, 2017 |
Mar. 31, 2017 |
Mar. 31, 2018 |
Mar. 31, 2017 |
Sep. 30, 2017 |
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| Income Tax Disclosure [Abstract] | ||||||
| Income tax expense (benefit) | $ 2,212 | $ 5,973 | $ (23,015) | $ 8,462 | ||
| Blended rate (as a percent) | 24.50% | |||||
| Provisional tax benefit change in tax rate | $ 29,921 | |||||
| Tax benefit change in deferred tax assets | 38,010 | |||||
| Tax expense repatriation of foreign earnings | $ 13,457 | 8,089 | ||||
| Recognition of tax benefit, foreign earnings | 5,368 | |||||
| Unrecognized tax benefits | 8,122 | 8,122 | $ 7,968 | |||
| Unrecognized tax benefits that would impact effective tax rate | 3,635 | 3,635 | ||||
| Total penalties and interest accrued | $ 1,793 | $ 1,793 | $ 1,779 | |||
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- Definition Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Blended Rate, Percent No definition available.
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- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Transition Tax For Accumulated Foreign Earnings, Adjustment to Provisional Estimate, Tax Expense (Benefit) No definition available.
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- Definition Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Transition Tax For Accumulated Foreign Earnings, Provisional Income Tax Expense No definition available.
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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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- 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/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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