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Fair Value of Financial Instruments - Nonrecurring Basis Measurements (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2025 | Feb. 28, 2025 | Feb. 28, 2026 | Feb. 28, 2025 | Feb. 29, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Goodwill impairment, total losses |  |  |  | $ 2,740.7 |
Asset impairment and related expenses |  |  | $ 109.8 | 478.0 | $ 0.0
Equity method investments, losses |  |  | 1.5 | 8.7 | 136.1
Operating Segments | Wine and Spirits |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Goodwill impairment, total losses | $ 2,250.0 |  |  | 2,740.7 |
Trademarks | Operating Segments | Wine and Spirits |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Trademarks, fair value |  | $ 125.8 |  | 125.8 |
Trademarks, total losses |  |  |  | 57.0 |
Nonrecurring |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Goodwill impairment, total losses |  |  |  | 2,740.7 |
Asset impairment and related expenses |  |  | 52.1 | 478.0 |
Equity method investments, losses |  |  | 1.5 | 8.7 | 136.1
Asset impairment, total losses |  |  | 53.6 | 3,284.4 |
Nonrecurring | Operating Segments | Wine and Spirits |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Goodwill impairment, total losses |  | 490.7 |  |  |
Nonrecurring | Trademarks |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Trademarks, total losses |  |  |  | 57.0 |
Nonrecurring | Quoted Prices in Active Markets (Level 1) |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Goodwill |  | 0.0 |  | 0.0 |
Assets held for sale, estimated fair value |  | 0.0 | 0.0 | 0.0 |
Equity method investments, fair value |  | 0.0 | 0.0 | 0.0 | 56.1
Assets, fair value |  | 0.0 | 0.0 | 0.0 |
Nonrecurring | Quoted Prices in Active Markets (Level 1) | Trademarks |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Trademarks, fair value |  | 0.0 |  | 0.0 |
Nonrecurring | Significant Other Observable Inputs (Level 2) |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Goodwill |  | 0.0 |  | 0.0 |
Assets held for sale, estimated fair value |  | 879.8 | 0.0 | 879.8 |
Equity method investments, fair value |  | 0.0 | 0.0 | 0.0 | 0.6
Assets, fair value |  | 879.8 | 0.0 | 879.8 |
Nonrecurring | Significant Other Observable Inputs (Level 2) | Trademarks |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Trademarks, fair value |  | 0.0 |  | 0.0 |
Nonrecurring | Significant Unobservable Inputs (Level 3) |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Goodwill |  | 0.0 |  | 0.0 |
Assets held for sale, estimated fair value |  | 0.0 | 0.0 | 0.0 |
Equity method investments, fair value |  | 0.0 | 0.0 | 0.0 | $ 0.6
Assets, fair value |  | 125.8 | $ 0.0 | 125.8 |
Nonrecurring | Significant Unobservable Inputs (Level 3) | Trademarks |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Trademarks, fair value |  | $ 125.8 |  | $ 125.8 |

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