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Income taxes - Components of income tax and deferred tax (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Feb. 28, 2021 | Feb. 29, 2020 | Feb. 28, 2019
Components of income (loss) before income tax expense |  |  |
U.S. | $ 48,693 | $ 40,146 | $ 32,135
Non-U.S. | 220,737 | 125,794 | 155,865
Income before income tax | 269,430 | 165,940 | 188,000
U.S. |  |  |
Current | 10,232 | 16,732 | 2,460
Deferred | (5,623) | (4,789) | 10,480
U.S. | 4,609 | 11,943 | 12,940
Non-U.S. |  |  |
Current | 9,652 | 2,571 | 2,102
Deferred | 1,223 | (907) | (1,266)
Non-U.S. | 10,875 | 1,664 | 836
Total | $ 15,484 | $ 13,607 | $ 13,776
Effective income tax rate reconciliation |  |  |
Effective income tax rate at the U.S. statutory rate | 21.00% | 21.00% | 21.00%
Impact of U.S. state income taxes | 0.60% | 1.60% | 1.20%
Effect of statutory tax rate in Macau | (3.40%) | (13.60%) | (10.30%)
Effect of statutory tax rate in Barbados | (15.40%) | (5.50%) | (5.90%)
Effect of statutory tax rate in Switzerland | (1.50%) | (0.40%) | (1.90%)
Effect of income from other non-U.S. operations subject to varying rates | 3.80% | 2.30% | 1.80%
Effect of foreign exchange fluctuations | (0.10%) | 0.70% | 0.20%
Effect of asset impairment charges | 0.30% | 2.40% | 0.00%
Effect of U.S. tax reform | (3.50%) | 0.00% | (0.10%)
Effect of uncertain tax positions | 3.20% | (1.70%) | (0.60%)
Effect of non-deductible executive compensation | 1.00% | 1.40% | 0.90%
Effect of base erosion and anti-abuse tax | (0.60%) | 0.00% | 1.00%
Other items | 0.30% | 0.00% | 0.00%
Effective income tax rate | 5.70% | 8.20% | 7.30%
Deferred tax assets, gross: |  |  |
Operating loss carryforwards | $ 14,785 | $ 13,908 |
Accounts receivable | 8,905 | 5,467 |
Inventories | 12,432 | 8,751 |
Operating lease liabilities | 10,388 | 10,451 |
Accrued expenses and other | 10,731 | 7,692 |
Total gross deferred tax assets | 57,241 | 46,269 |
Valuation allowance | (15,021) | (14,073) |
Deferred tax liabilities: |  |  |
Operating lease assets | (7,500) | (7,573) |
Depreciation and amortization | (18,707) | (14,212) |
Total deferred tax assets, net | $ 16,013 | $ 10,411 |

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