Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2019 |
Dec. 31, 2018 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Sep. 30, 2018 |
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| Income Tax Disclosure [Abstract] | ||||||
| Income tax expense (benefit) | $ 3,989 | $ 4,312 | $ 4,429 | $ (18,703) | ||
| Federal statutory rate (as a percent) | 21.00% | |||||
| Tax expense repatriation of foreign earnings | $ 300 | |||||
| Unrecognized tax benefits | 14,531 | $ 14,531 | $ 14,827 | |||
| Unrecognized tax benefits that would impact effective tax rate | 10,423 | 10,423 | 10,718 | |||
| Decrease reasonably possible in next 12 months | 2,438 | 2,438 | ||||
| Total penalties and interest accrued | $ 2,767 | $ 2,767 | $ 2,229 | |||
| X | ||||||||||
- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. 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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- 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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- Definition Amount of reasonable estimate for income tax expense for which accounting for tax effect from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated is incomplete pursuant to Tax Cuts and Jobs Act. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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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