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Debt and Lines of Credit - Lines of Credit (Details) | Jun. 29, 2018 USD ($) | Aug. 31, 2019 USD ($) | Aug. 31, 2018 USD ($)
--- | --- | --- | ---
Revolving Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Outstanding letters of credit |  | $ 3,800,000 |
Lines of Credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility | $ 800,000,000 |  |
Minimum interest coverage ratio | 2.50 |  |
Maximum leverage ratio | 3.50 |  |
Outstanding letters of credit |  | 8,000,000.0 |
Lines of Credit | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Commitment fees rate | 0.125% |  |
Lines of Credit | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Commitment fees rate | 0.25% |  |
Lines of Credit | New Revolving Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Term of notes | 5 years |  |
Revolving credit facility | $ 400,000,000.0 |  |
Borrowings outstanding under credit facility |  | 0 | $ 0
Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |
Line of Credit Facility [Line Items] |  |  |
Revolving credit facility | $ 400,000,000.0 |  |
Lines of Credit | Revolving Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Additional borrowing capacity under revolving credit facility |  | $ 796,200,000 |
Eurocurrency Rate | Lines of Credit | New Revolving Credit Facility | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 1.00% |  |
Eurocurrency Rate | Lines of Credit | New Revolving Credit Facility | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 1.375% |  |
Eurocurrency Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 0.875% |  |
Eurocurrency Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 1.25% |  |
Base Rate | Lines of Credit | New Revolving Credit Facility | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 0.00% |  |
Base Rate | Lines of Credit | New Revolving Credit Facility | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 0.375% |  |
Base Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 0.00% |  |
Base Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Applicable margins as determined by leverage ratio | 0.25% |  |
Year one | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |
Line of Credit Facility [Line Items] |  |  |
Periodic payment maturity as percent of principal (percent) | 2.50% |  |
Year two | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |
Line of Credit Facility [Line Items] |  |  |
Periodic payment maturity as percent of principal (percent) | 2.50% |  |
Year three | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |
Line of Credit Facility [Line Items] |  |  |
Periodic payment maturity as percent of principal (percent) | 5.00% |  |
Year four | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |
Line of Credit Facility [Line Items] |  |  |
Periodic payment maturity as percent of principal (percent) | 5.00% |  |
Year five | Lines of Credit | Unsecured Delayed Draw Term Loan |  |  |
Line of Credit Facility [Line Items] |  |  |
Periodic payment maturity as percent of principal (percent) | 7.50% |  |

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- Definition Line of Credit Facility, Covenant Terms, Interest Coverage Ratio, Minimum + References No definition available. + Details
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- Definition Line of Credit Facility, Covenant Terms, Leverage Ratio, Maximum + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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