Revenue and Segment Disclosures -Transaction price allocated to the remaining performance obligations (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Feb. 28, 2026 |
Feb. 28, 2025 |
Feb. 29, 2024 |
|
| Transaction price allocated to the remaining performance obligations [Line Items] | |||
| Contract with Customer, Performance Obligation Satisfied in Previous Period | $ 2.3 | $ 2.4 | $ 12.2 |
| Revenue, Remaining Performance Obligation, Amount | 152.6 | ||
| Less than 12 months | |||
| Transaction price allocated to the remaining performance obligations [Line Items] | |||
| Revenue, Remaining Performance Obligation, Amount | 138.5 | ||
| 12 to 24 months | |||
| Transaction price allocated to the remaining performance obligations [Line Items] | |||
| Revenue, Remaining Performance Obligation, Amount | 2.3 | ||
| After 24 months | |||
| Transaction price allocated to the remaining performance obligations [Line Items] | |||
| Revenue, Remaining Performance Obligation, Amount | $ 11.8 | ||