Fair Value Measurements (Details) - USD ($) |
Nov. 30, 2022 |
Aug. 31, 2022 |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Cash and cash equivalents | $ 284,100,000 | $ 223,200,000 |
| Short-term borrowings outstanding | 0 | 18,000,000.0 |
| Line of Credit | Credit facility | The Credit Agreement | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Short-term borrowings outstanding | 0 | 18,000,000 |
| Approximate fair value of short term borrowings | 0 | 18,000,000 |
| Reported Value Measurement | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Investments | 12,000,000 | 11,900,000 |
| Estimate of Fair Value Measurement | Unsecured debt | 2.150% Senior Unsecured Notes Due December 2030 | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying and estimated fair values of financial instruments | $ 388,400,000 | $ 399,200,000 |
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. No definition available.
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date. No definition available.
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