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Fair Value Measurements (Details) - USD ($) $ in Millions | May 31, 2020 | Aug. 31, 2019
--- | --- | ---
Fair Value Disclosures [Abstract] |  |
Cash and cash equivalents | $ 520.6 | $ 461.0
Carrying Value | Senior unsecured public notes, net of unamortized discount and deferred costs |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | 0.0 | 349.9
Carrying Value | Borrowings under Term Loan Facility |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | 397.5 | 0.0
Carrying Value | Industrial revenue bond | Industrial Revenue Bond Maturing in 2021 |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | 4.0 | 4.0
Carrying Value | Bank loans |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | 2.1 | 2.7
Fair Value | Level 2 | Senior unsecured public notes, net of unamortized discount and deferred costs |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | 0.0 | 352.7
Fair Value | Level 2 | Borrowings under Term Loan Facility |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | 397.5 | 0.0
Fair Value | Level 2 | Industrial revenue bond | Industrial Revenue Bond Maturing in 2021 |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | 4.0 | 4.0
Fair Value | Level 2 | Bank loans |  |
Liabilities: |  |
Carrying and estimated fair values of financial instruments | $ 2.2 | $ 2.9

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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3044-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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. + References No definition available. + Details
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