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Accumulated Other Comprehensive Income (Loss) Reclassifications out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 27, 2020 | Nov. 22, 2019 | Nov. 27, 2020 | Nov. 22, 2019 | Aug. 28, 2020 | Feb. 28, 2020 | Aug. 23, 2019 | Feb. 22, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | $ (48.8) | $ (56.3) | $ (48.8) | $ (56.3) | $ (56.3) | $ (69.3) | $ (61.8) | $ (47.3)
Other comprehensive income (loss) before reclassifications | 7.4 |  | 20.5 |  |  |  |  |
Income Tax Expense (Benefit) | (6.3) | 18.9 | 4.3 | 46.8 |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0.1 |  | 0.0 |  |  |  |  |
Interest Expense | 6.6 | 6.7 | 20.7 | 20.1 |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 7.5 |  | 20.5 |  |  |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0.1 | (0.2) | 0.0 | (1.6) |  |  |  |
Unrealized gain (loss) on investments [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | 0.1 |  | 0.1 |  | (0.2) | (0.1) |  |
Other comprehensive income (loss) before reclassifications | 0.3 |  | 0.2 |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0.0 |  | 0.0 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 0.3 |  | 0.2 |  |  |  |  |
Unrealized gain (loss) on investments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Income Tax Expense (Benefit) | 0.0 | 0.0 | 0.0 | 0.2 |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0.0 | 0.0 | 0.0 | (0.5) |  |  |  |
Pension and other post-retirement liability adjustments [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (4.2) |  | (4.2) |  | (3.9) | (3.1) |  |
Other comprehensive income (loss) before reclassifications | (0.1) |  | (0.4) |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (0.2) |  | 0.7 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (0.3) |  | (1.1) |  |  |  |  |
Pension and other post-retirement liability adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Income Tax Expense (Benefit) | 0.1 | 0.4 | 0.3 | 0.7 |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (0.2) | (0.5) | (0.7) | (1.8) |  |  |  |
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (7.9) |  | (7.9) |  | (8.2) | (8.6) |  |
Other comprehensive income (loss) before reclassifications | 0.0 |  | 0.0 |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (0.3) |  | (0.7) |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 0.3 |  | 0.7 |  |  |  |  |
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Income Tax Expense (Benefit) | (0.1) | (0.1) | (0.3) | (0.3) |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0.3 | 0.3 | 0.7 | 0.7 |  |  |  |
Foreign currency translation adjustments [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (36.8) |  | (36.8) |  | $ (44.0) | $ (57.5) |  |
Other comprehensive income (loss) before reclassifications | 7.2 |  | 20.7 |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0.0 |  | 0.0 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 7.2 |  | 20.7 |  |  |  |  |
Prior Service Costs | Pension and other post-retirement liability adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Other Income | 0.0 | (0.1) | (0.1) | (0.2) |  |  |  |
Actuarial losses (gains) [Member] | Pension and other post-retirement liability adjustments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Other Income | (0.3) | (0.8) | (0.9) | (2.3) |  |  |  |
Gain (Loss) on Investments [Member] | Unrealized gain (loss) on investments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Investment Income, Nonoperating | 0.0 | 0.0 | 0.0 | (0.7) |  |  |  |
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |
Interest Expense | $ 0.4 | $ 0.4 | $ 1.0 | $ 1.0 |  |  |  |

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