Debt (Details) - USD ($) $ in Millions	3 Months Ended
Oct. 31, 2025	Jul. 31, 2025
Debt Instrument [Line Items]
Shelf Note, Expiration Date	Sep. 21, 2026
Shelf Notes	$ 75.0
Accordion Provision	50.0
Permitted acquisitions threshold	$ 100.0	$ 45.0
Series B Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Maturity Date Range, Start	May 15, 2020
Face Amount	$ 10.0
Annual Rate	3.95%
Debt Instrument, Maturity Date Range, End	May 15, 2030
Senior Notes	$ 5.0
Series C Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Maturity Date Range, Start	Dec. 16, 2021
Face Amount	$ 25.0
Annual Rate	3.25%
Debt Instrument, Maturity Date Range, End	Dec. 16, 2031
Series D Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Maturity Date Range, Start	Apr. 30, 2024
Face Amount	$ 10.0
Annual Rate	6.47%
Debt Instrument, Maturity Date Range, End	Apr. 30, 2033
Line of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 75.0	45.0
Line of Credit Facility, Expiration Date	Sep. 30, 2029
Proceeds from Lines of Credit	$ 0.0
Line of Credit Amount Outstanding	$ 0.0
Line of Credit \| Prime Rate
Debt Instrument [Line Items]
Variable interest rate	7.00%
Line of Credit \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Variable interest rate	5.29%
Letter of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity for letters of credit	$ 20.0	10.0
Line of Credit Amount Outstanding	$ 3.0	$ 3.0

Line Of Credit Facility Accordion Provision Increase Limit

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- Definition

Permitted acquisitions threshold

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No definition available.

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- Definition

Expiration date for the maximum aggregate principal of unsecured notes available for purchase, at lender's discretion on an uncommitted basis.

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No definition available.

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Maximum aggregate principal of unsecured notes available for purchase, at lender's discretion on an uncommitted basis.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Latest date the outstanding debt instruments are required to be repaid, in YYYY-MM-DD format.

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Earliest date the outstanding debt instruments are required to be repaid, in YYYY-MM-DD format.

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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.

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The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

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No definition available.

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Date the credit facility terminates, in YYYY-MM-DD format.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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