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Income Taxes - Components of income tax and deferred tax (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2018 | Feb. 28, 2018 | Dec. 31, 2017 | Feb. 28, 2017 | Feb. 29, 2016
Components of income (loss) before income tax expense |  |  |  |  |
U.S. |  | $ 23,824 |  | $ 20,878 | $ 17,069
Non-U.S. |  | 131,614 |  | 134,839 | 88,943
Income before income taxes |  | 155,438 |  | 155,717 | 106,012
U.S. |  |  |  |  |
Current |  | 3,380 |  | 19,195 | 10,444
Deferred |  | 19,578 |  | (10,475) | (4,428)
U.S. |  | 22,958 |  | 8,720 | 6,016
Non-U.S. |  |  |  |  |
Current |  | 1,912 |  | (290) | 4,919
Deferred |  | 1,686 |  | 2,977 | 2,086
Non-U.S. |  | 3,598 |  | 2,687 | 7,005
Total |  | 26,556 |  | $ 11,407 | $ 13,021
Provisional tax expense |  | $ 17,900 |  |  |
Effective income tax rate reconciliation |  |  |  |  |
Expected effective income tax rate at the U.S. statutory rate (as a percent) | 21.00% | 32.70% | 35.00% | 35.00% | 35.00%
Impact of U.S. state income taxes (as a percent) |  | 0.50% |  | 0.50% | (0.10%)
Effect of statutory tax rate in Macau (as a percent) |  | (19.50%) |  | (20.10%) | (21.80%)
Effect of statutory tax rate in Barbados (as a percent) |  | (5.20%) |  | (7.30%) | (7.60%)
Effect of statutory tax rate in Europe |  | (5.30%) |  | (3.60%) |
Effect of statutory tax rate in Switzerland (as a percent) |  |  |  |  | (6.50%)
Effect of income from non-U.S. operations subject to varying rates (as a percent) |  | 2.10% |  | 2.10% | 4.60%
Effect of foreign exchange fluctuations (as a percent) |  | 0.30% |  | 0.40% | 3.80%
Effect of asset impairment charges (as a percent) |  | 2.20% |  | 0.40% | 1.30%
Effect of U.S. tax reform |  | 11.50% |  |  |
Effect of uncertain tax positions |  | (1.30%) |  |  |
Other items |  | (0.90%) |  | (0.10%) | 3.60%
Effective income tax rate (as a percent) |  | 17.10% |  | 7.30% | 12.30%
U.S. tax liability associated with income generated in Macau |  | $ 0 |  |  |
Blended U.S. federal statutory rate (as a percent) |  | 32.70% |  |  |
Deferred tax assets, gross: |  |  |  |  |
Operating loss carryforwards |  | $ 32,829 |  | $ 16,799 |
Accounts receivable |  | 4,767 |  | 7,375 |
Inventories |  | 7,183 |  | 11,057 |
Accrued expenses and other |  | 7,385 |  | 12,007 |
Total gross deferred tax assets |  | 52,164 |  | 47,238 |
Valuation allowance |  | (17,747) |  | (17,600) |
Deferred tax liabilities: |  |  |  |  |
Depreciation and amortization |  | (24,859) |  | (47,774) |
Total deferred tax liabilities, net |  |  |  | (18,136) |
Total deferred tax liabilities, net |  | 9,558 |  |  |
Net increase in valuation allowance |  | 100 |  |  |
Goodwill deductible for tax purposes |  | 19,000 |  | $ 113,000 |
Estimated tax deduction for goodwill for next fiscal year |  | $ 1,300 |  |  |
Maximum |  |  |  |  |
Deferred tax liabilities: |  |  |  |  |
Remaining amortization period of tax deductible goodwill |  | 2 years |  |  |

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- Definition The component of total income tax expense for the period comprised of the aggregate of the increase (decrease) during the period in the entity's (i) domestic deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of the federally enacted tax law and (ii) state and local deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of the applicable enacted tax laws. + References No definition available. + Details
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- Definition Percentage 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 pre tax income (loss) from continuing operations attributable to foreign exchange fluctuations. + References No definition available. + Details
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- Definition Amount of current and deferred foreign income tax expense (benefit) attributable 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)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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