Available increase in aggregate amount borrowed

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- Definition

Maximum Consolidated Leverage Ratio To Indebtedness

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- Definition

Minimum Consolidated Interest Coverage Ratio Of Ebitda To Interest Expense

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No definition available.

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- Definition

Noncash Financing Activity Related To Capital Lease

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No definition available.

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- Definition

The fronting fee is the administrative fee paid to the lead credit issuer.

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No definition available.

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- Definition

Quarterly letter of credit usage fees

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No definition available.

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- Definition

Unsecured Revolving Credit Facility Term

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No definition available.

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- Definition

Unsecured Term Loan Facility Amount

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No definition available.

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- Definition

Unsecured Term Loan Facility Term

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No definition available.

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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- Definition

The increase during the period in capital lease obligations due to entering into new capital leases.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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- Definition

The 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

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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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://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

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- Definition

The effective interest rate during the reporting period.

+ References

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- Definition

Maximum amount borrowed under the credit facility at any time during the period.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.22)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

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-Subparagraph (SX 210.7-03.16)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

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- Definition

Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

+ References

+ Details

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 10

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Debt And Capital Lease Obligations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended		3 Months Ended			3 Months Ended	12 Months Ended				3 Months Ended		3 Months Ended
	Nov. 30, 2013	Aug. 31, 2013	Jun. 08, 2011	Nov. 30, 2013 New Credit Facility [Member]	Aug. 31, 2013 New Credit Facility [Member]	Apr. 22, 2013 New Credit Facility [Member]	Nov. 30, 2013 Revolving Credit Facility [Member]	Aug. 31, 2013 Revolving Credit Facility [Member]	Nov. 30, 2013 LIBOR [Member]	Nov. 30, 2013 Federal Funds Effective Rate Plus [Member]	Nov. 30, 2013 One-Month Interest Period [Member] LIBOR Interest Period Plus [Member]	Nov. 30, 2013 Minimum [Member]	Nov. 30, 2013 Minimum [Member] Alternate Base Rate [Member] LIBOR [Member]	Nov. 30, 2013 Maximum [Member]	Nov. 30, 2013 Maximum [Member] Alternate Base Rate [Member] LIBOR [Member]	Nov. 30, 2013 Corporate Bond Securities [Member]	Aug. 31, 2013 Corporate Bond Securities [Member]
Debt Instrument [Line Items]
Unsecured credit facility			$ 200,000			$ 650,000
Unsecured revolving loan facility, Term						5 years
Unsecured revolving loan facility, amount						400,000
Unsecured term loan facility, Term						5 years
Unsecured term loan facility, Amount						250,000
Available increase in amount borrowed				200,000
Amount borrowed during the period							50,000
Maturity date				Apr. 22, 2018
Borrowing rate under Credit Facility	1.17%
Percentage points in addition to reference rate used in computation of variable rate on debt instrument									1.00%	0.50%	1.00%	0.00%	1.00%	0.375%	1.375%
Quarterly undrawn fee												0.10%		0.20%
Quarterly letter of credit usage fees												1.00%		1.375%
Quarterly fronting fee	0.125%
Capital leases and financing obligations for certain information technology equipment entered into		1,854
Maximum consolidated leverage ratio of total indebtedness to EBITDA	300.00%
Minimum consolidated interest coverage ratio of EBITDA to total interest expense	300.00%
Amount of purchase price financed							370,000
Long-term Debt	254,671	241,566
Current maturities				65,625	12,500
Repayment of loan facility								120,000
Revolving credit facility available balance							350,000
Outstanding balance				246,875	250,000		50,000
Amount due under all capital leases and financing agreements	25,084															22,366	2,000
Non-cash financing activity related to the capital lease	20,366
Current maturities of capital lease and financing obligations	1,663
Property and equipment acquired under capital leases and financing agreements	$ 25,265	$ 7,594