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v3.25.2

Debt and Lines of Credit - Additional Information (Details) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 12, 2018 USD ($) | Jul. 31, 2025 USD ($) Bank Subsidiary | Jul. 31, 2024 USD ($) Bank Subsidiary | Jul. 31, 2025 USD ($) Bank Subsidiary | Jul. 31, 2024 USD ($) Bank Subsidiary | Jul. 31, 2025 CHF (SFr) Bank Subsidiary | Jul. 31, 2024 CHF (SFr) Bank Subsidiary
Debt Instrument [Line Items] |  |  |  |  |  |  |
Cash paid for interest |  |  |  | $ 100,000 | $ 100,000 |  |
Amortization of debt fees |  |  |  | 100,000 | 100,000 |  |
Unsecured Debt | Swiss subsidiary |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 8,000,000 | $ 7,400,000 | 8,000,000 | 7,400,000 | SFr 6,500,000 | SFr 6,500,000
Outstanding borrowing amount |  | 0 | 0 | 0 | 0 |  |
Revolving Credit Facility | Secured Debt | Credit Agreement Due on October 28, 2026 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 100,000,000 |  |  |  |  |  |
Uncommitted increase to borrowing capacity | $ 50,000,000 |  |  |  |  |  |
Credit facility matures date | Oct. 28, 2026 |  |  |  |  |  |
Loan drawn under the facility |  | 0 | 0 | 0 | 0 |  |
Line of credit facility remaining borrowing capacity |  | 99,700,000 | 99,700,000 | 99,700,000 | 99,700,000 |  |
Weighted average borrowings amount |  | 0 | 0 | $ 0 | 0 |  |
Letter of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Credit facility matures date |  |  |  | Jun. 01, 2026 |  |  |
Outstanding borrowing amount |  | $ 300,000 | $ 300,000 | $ 300,000 | $ 300,000 |  |
Letter of Credit | Secured Debt | Credit Agreement Due on October 28, 2026 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 15,000,000 |  |  |  |  |  |
Letter of Credit | Unsecured Debt | Swiss subsidiary |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of European banks guaranteed obligations to third parties | Bank |  | 2 | 2 | 2 | 2 | 2 | 2
Number of foreign subsidiaries under guaranteed obligation | Subsidiary |  | 2 | 2 | 2 | 2 | 2 | 2
Guaranteed obligations to third parties |  | $ 1,500,000 | $ 1,400,000 | $ 1,500,000 | $ 1,400,000 |  |
Restricted deposit relates to lease agreement |  | $ 800,000 | $ 700,000 | $ 800,000 | $ 700,000 |  |
Swingline | Secured Debt | Credit Agreement Due on October 28, 2026 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | 25,000,000 |  |  |  |  |  |
Swiss Borrowers | Secured Debt | Credit Agreement Due on October 28, 2026 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 75,000,000 |  |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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