Debt Instrument Extension Period

No definition available.

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- Definition

Debt Instrument, Number Of Extensions

+ References

No definition available.

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- Definition

DebtInstrumentLegalFinalMaturityYear

+ References

No definition available.

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- Definition

Debt Prepayment Premium paid due to early extinguishment of debt

+ References

No definition available.

+ Details

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.

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- Definition

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

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- Definition

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

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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.

+ References

No definition available.

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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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

Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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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 long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Debt (Narrative) (Details)	3 Months Ended	12 Months Ended
Debt (Narrative) (Details)	Feb. 28, 2018 USD ($)	Aug. 31, 2018 USD ($) extension	Aug. 31, 2017 USD ($)	Aug. 31, 2016 USD ($)	Aug. 31, 2013 USD ($)	Feb. 01, 2018 USD ($)	May 17, 2016 USD ($)
Debt Instrument [Line Items]
Future maturities of long-term debt, 2019		$ 4,300,000
Future maturities of long-term debt, 2020		151,700,000
Future maturities of long-term debt, 2021		4,300,000
Future maturities of long-term debt, 2022		4,300,000
Future maturities of long-term debt, 2023		382,900,000
Debt origination costs, net		1,191,000	$ 2,439,000
Loss from debt transactions	$ 1,300,000	(1,310,000)	0	$ (8,750,000)
Prepayment premium				5,900,000
Write-off of unamortized debt origination costs				2,900,000
Pro rata prepayment		173,125,000	24,416,000	422,090,000
Total assets		531,134,000	$ 561,744,000
Restricted cash		27,500,000
Co-Issuers And Guarantor [Member]
Debt Instrument [Line Items]
Total assets		242,000,000
Restricted cash		$ 27,500,000
2011 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Debt prepayment					$ 155,000,000
Class A-2 2013 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 155,000,000
Senior secured notes interest rate, percentage		3.75%
Expected life of debt instrument		7 years
Debt instrument, maturity year		Jul. 20, 2020
Weighted-average interest cost, percentage		4.10%
Legal final maturity date		Jul. 20, 2043
Class A-2 2016 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount							$ 425,000,000
Senior secured notes interest rate, percentage		4.47%
Expected life of debt instrument		7 years
Debt instrument, maturity year		May 20, 2023
Prepayment premium	200,000
Weighted-average interest cost, percentage		4.80%
Legal final maturity date		May 20, 2046
2016 Variable Funding Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						$ 100,000,000.0	$ 150,000,000
Expected life of debt instrument		5 years
Debt instrument, maturity year		May 20, 2021
Interest rate spread, percentage		2.00%
Annual commitment fee payable, percentage		0.50%
Debt instruments, number of extensions \| extension		2
Debt instrument, extension period		1 year
Write-off of unamortized debt origination costs	700,000
Legal final maturity date		May 20, 2046
2016 Notes [Member]
Debt Instrument [Line Items]
Debt origination costs, net				$ 12,500,000
Class A-2 2013 and 2016 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Write-off of unamortized debt origination costs	400,000
Pro rata prepayment	28,000,000
Class A-2 2018 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						$ 170,000,000.0
Senior secured notes interest rate, percentage		4.03%
Expected life of debt instrument		7 years
Debt instrument, maturity year		Feb. 20, 2025
Debt origination costs, net	$ 5,000,000
Weighted-average interest cost, percentage		4.40%
Legal final maturity date		Feb. 20, 2048
Interest Rate Upward Adjustment Due To Nonpayment [Member]
Debt Instrument [Line Items]
Senior secured notes interest rate, percentage		5.00%