Digital Assets and Related Receivables - Digital Asset Roll Forward and Holdings (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended |
|---|---|---|---|
Jan. 31, 2026 |
Aug. 02, 2025 |
Jan. 31, 2026 |
|
| Crypto Asset [Roll Forward] | |||
| Balance, Beginning of fiscal year | $ 0.0 | $ 0.0 | |
| Additions (Cost of $500 million purchased in Q2) | $ 500.0 | 500.0 | |
| Realized loss | (71.8) | ||
| Dispositions (pledged/derecognized in Q4) | (428.0) | ||
| Remeasurement loss on digital assets | $ (131.6) | (0.1) | |
| Fair Value, End of fiscal year | $ 0.1 | 0.1 | |
| Asset Pledged as Collateral | |||
| Crypto Asset [Roll Forward] | |||
| Realized loss | $ (71.8) |