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Accumulated Other Comprehensive Income (Loss) (Changes In and Reclassifications Out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 30, 2025 | Nov. 30, 2024 | Nov. 30, 2025 | Nov. 30, 2024
Total amortization reclassifications recognized in net pension expense | $ 99 | $ 111 | $ 298 | $ 332
Tax expense | (24) | (27) | (71) | (79)
Amortization reclassifications recognized in net pension expense, net of tax | 75 | 84 | 227 | 253
Net change in retirement benefit plan unrecognized actuarial losses, net of tax | 75 | 84 | (227) | (253)
Changes in fair value | (621) | (19,812) | 13,332 | 18,427
Tax benefit (expense) | 151 | 4,780 | (3,237) | (4,631)
Changes in fair value, net of tax | (470) | (15,032) | 10,095 | 13,796
Reclassifications to CarMax Auto Finance income | (7,368) | (12,357) | (27,063) | (40,865)
Tax benefit | 1,789 | 3,011 | 6,571 | 9,956
Reclassification of hedge gains, net of tax | (5,579) | (9,346) | 20,492 | 30,909
Net change in cash flow hedge unrecognized gains, net of tax | (6,049) | 5,686 | (30,587) | (44,705)
Total other comprehensive (loss) income, net of tax | (5,974) | 5,770 | (30,360) | (44,452)
Cost of sales |  |  |  |
Total amortization reclassifications recognized in net pension expense | 42 | 48 | 129 | 147
CarMax Auto Finance income |  |  |  |
Total amortization reclassifications recognized in net pension expense | 3 | 4 | 10 | 11
Selling, general and administrative expenses |  |  |  |
Total amortization reclassifications recognized in net pension expense | $ 54 | $ 59 | $ 159 | $ 174

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