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Schedule of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands | 4 Months Ended | 5 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2017
Reconciliation Of Provision Of Income Taxes [Line Items] |  |  |  |
Current, Federal, Income tax expense (benefit) |  | $ 11 |  |
Federal, Income tax expense (benefit) |  | 11 |  |
Current, State, Income tax expense (benefit) |  | 0 |  |
Deferred, State, Income tax expense (benefit) |  | 0 |  |
State, Income tax expense (benefit) |  | 0 |  |
Current, International, Income tax expense (benefit) |  | 2,028 |  |
International, Income tax expense (benefit) |  | 2,028 |  |
Current, Total, Income tax expense (benefit) |  | 2,039 |  |
Income tax expense (benefit), Total |  | $ 2,039 |  |
Predecessor |  |  |  |
Reconciliation Of Provision Of Income Taxes [Line Items] |  |  |  |
Current, Federal, Income tax expense (benefit) | $ (822) |  |  | $ (842)
Deferred, Federal, Income tax expense (benefit) | (5,543) |  |  | (2,200)
Federal, Income tax expense (benefit) | (6,365) |  |  | (3,042)
Current, State, Income tax expense (benefit) | 3 |  |  | 17
Deferred, State, Income tax expense (benefit) | 0 |  |  | 0
State, Income tax expense (benefit) | 3 |  |  | 17
Current, International, Income tax expense (benefit) | 5,128 |  |  | 9,422
International, Income tax expense (benefit) | 5,128 |  |  | 9,422
Current, Total, Income tax expense (benefit) | 4,309 |  |  | 8,597
Deferred, Total, Income tax expense (benefit) | (5,543) |  |  | (2,200)
Income tax expense (benefit), Total | $ (1,234) |  | $ 4,680 | $ 6,397

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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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