Liquidity (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Sep. 01, 2026 |
Jan. 31, 2026 |
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| Debt Instrument [Line Items] | ||||||
| Net loss attributable to common stockholders | $ (12.9) | $ (26.4) | $ (31.8) | $ (52.5) | ||
| Accumulated deficit | (1,132.2) | (1,132.2) | $ (1,100.4) | |||
| Cash flows (used in) provided by operations | (5.0) | (2.2) | ||||
| Cash out flows from investing activities | (16.6) | $ (30.7) | ||||
| Cash and cash equivalents | 29.0 | 29.0 | 50.4 | |||
| Long-term debt, net | $ 157.5 | $ 157.5 | $ 156.6 | |||
| New Credit Agreement | Subsequent Event | ||||||
| Debt Instrument [Line Items] | ||||||
| Additional term loan amount | $ 10.0 | |||||
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- Definition Debt Instrument, Additional Face Amount No definition available.
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash inflow (outflow) from investing activity, including, but not limited to, discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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- Details
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