DebtInstrumentLegalFinalMaturityYear

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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Period Type:	instant

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
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Period Type:	instant

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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+ Details

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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	na
Period Type:	duration

- 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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Period Type:	duration

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

+ References

+ Details

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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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- Definition

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

+ References

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-Name Accounting Standards Codification
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- Details

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- Details

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Debt (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
Debt (Narrative) (Details) - USD ($)	Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017	Feb. 01, 2018	Aug. 31, 2017
Debt Instrument [Line Items]
Pro rata prepayment			$ 171,000,000	$ 4,416,000
Debt origination costs, net	$ 1,407,000		1,407,000			$ 2,439,000
Loss from debt transactions	1,310,000	$ 0	1,310,000	$ 0
Prepayment premium	200,000		200,000
Total assets	561,536,000		561,536,000			$ 561,744,000
Co-Issuers And Guarantor [Member]
Debt Instrument [Line Items]
Total assets	250,300,000		250,300,000
Restricted cash	19,100,000		19,100,000
Class A-2 2013 and 2016 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Pro rata prepayment	28,000,000		28,000,000
Write-off of unamortized debt origination costs	$ 400,000		$ 400,000
Class A-2 2018 Fixed Rate Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 170,000,000
Senior secured notes interest rate, percentage	4.03%		4.03%
Expected life of debt instrument			7 years
Debt instrument, maturity year			Feb. 20, 2025
Accrued interest	$ 170,600,000		$ 170,600,000
Weighted-average interest cost, percentage	4.40%		4.40%
Debt origination costs, net	$ 5,000,000		$ 5,000,000
Legal final maturity date			Feb. 20, 2048
2016 Variable Funding Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 100,000,000
Write-off of unamortized debt origination costs	$ 700,000		$ 700,000
Interest Rate Upward Adjustment Due To Nonpayment [Member]
Debt Instrument [Line Items]
Senior secured notes interest rate, percentage	5.00%		5.00%