Line of Credit Facility, Interest Coverage Ratio

No definition available.

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- Definition

Line of Credit Facility, Leverage Ratio, Indebtedness to EBITDA

+ 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.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- References

No definition available.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.9)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

+ Details

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- Definition

Amount of interest revenue (income derived from investments in debt securities and on cash and cash equivalents) net of interest expense (cost of borrowed funds accounted for as interest).

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- References

No definition available.

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(b))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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Balance Type:	credit
Period Type:	duration

- 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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- References

No definition available.

+ 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

+ Details

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Balance Type:	credit
Period Type:	instant

- 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

+ Details

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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 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 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-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=6879938&loc=d3e572229-122910

Reference 4: 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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Debt (Details)	3 Months Ended		6 Months Ended
Debt (Details)	Feb. 29, 2016 USD ($)	Feb. 28, 2015 USD ($)	Feb. 29, 2016 USD ($)	Feb. 28, 2015 USD ($)	Aug. 27, 2014 USD ($)
Interest Revenue (Expense), Net [Abstract]
Interest expense	$ 8,300,000	$ 8,200,000	$ 16,600,000	$ 16,300,000
Interest income	(100,000)	(200,000)	(500,000)	(400,000)
Interest expense, net	8,200,000	$ 8,000,000	16,100,000	$ 15,900,000
Lines of Credit
Line of Credit Facility [Abstract]
Outstanding letters of credit	11,000,000		11,000,000
Lines of Credit \| Revolving Credit Facility Maturing August 27, 2019
Line of Credit Facility [Abstract]
Executed revolving credit facility	250,000,000.0		250,000,000.0		$ 250,000,000.0
Additional borrowing capacity under revolving credit facility	$ 243,900,000		$ 243,900,000
Lines of Credit \| Revolving Credit Facility Maturing August 27, 2019 \| Minimum
Line of Credit Facility [Abstract]
Minimum interest coverage ratio	2.50		2.50
Applicable margins based on company's leverage ratio, percentage			1.00%
Facility fee, percentage			0.125%
Lines of Credit \| Revolving Credit Facility Maturing August 27, 2019 \| Maximum
Line of Credit Facility [Abstract]
Maximum leverage ratio	3.50		3.50
Applicable margins based on company's leverage ratio, percentage			1.575%
Facility fee, percentage			0.30%
Letter of Credit \| Revolving Credit Facility Maturing August 27, 2019
Line of Credit Facility [Abstract]
Outstanding letters of credit	$ 6,100,000		$ 6,100,000
Senior unsecured public notes \| Senior Unsecured Notes Maturing December 2019
Debt Instruments [Abstract]
Debt outstanding	$ 350,000,000		$ 350,000,000
Publicly traded notes, interest rate	6.00%		6.00%
Nontaxable Municipal Bond \| Industrial Revenue Bond Maturing in 2021
Debt Instruments [Abstract]
Debt outstanding	$ 4,000,000		$ 4,000,000
Fixed Rate Bank Loans
Debt Instruments [Abstract]
Debt outstanding	$ 1,100,000		$ 1,100,000