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Income Taxes Income Taxes (Tables) | 9 Months Ended
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Jan. 31, 2017
Income Tax Disclosure [Abstract] |
Schedule of Effective Income Tax Rate Reconciliation | Our effective tax rate from continuing operations, including the effects of discrete income tax items, was 7.7% and 37.2% for the nine months ended January 31, 2018 and 2017, respectively. Rate reconciliations between the statutory U.S. federal corporate income rates and the effective tax rates for continuing operations are below:
Nine months ended January 31, |  | 2018 |  |  | 2017 |
U.S. statutory tax rate |  | 21.0 | % |  | 35.0 | %
Change in tax rate resulting from: |  |  |  |
State income taxes, net of federal income tax benefit |  | 2.2 | % |  | 1.6 | %
Earnings taxed in foreign jurisdictions |  | (2.3 | )% |  | (5.3 | )%
Permanent differences |  | 0.3 | % |  | (0.5 | )%
Uncertain tax positions |  | 6.0 | % |  | 6.5 | %
Remeasurement of deferred tax assets and liabilities |  | 2.4 | % |  | — | %
Tax benefit due to effective date of statutory rate change |  | (16.4 | )% |  | — | %
One-time transition tax |  | (2.4 | )% |  | — | %
Other |  | (3.1 | )% |  | (0.1 | )%
Effective tax rate |  | 7.7 | % |  | 37.2 | %

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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