Description Of Business And Significant Accounting Policies [Line Items]

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- Definition

For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ 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 210.9-03.9)

-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 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.5)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

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- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524

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 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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No definition available.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ 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 210.5-02.3,4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph a

-Article 5

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Description Of Business And Significant Accounting Policies (Narrative) (Details) $ in Thousands	12 Months Ended
	Aug. 31, 2015 USD ($) segment	Aug. 31, 2014 USD ($)
Description Of Business And Significant Accounting Policies [Line Items]
Accounts receivable, current	$ 74,063	$ 94,135
Allowance for doubtful accounts	$ 9,700	$ 4,800
Number of reportable segments \| segment	2
Leased Barriers [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	12 years
Maximum [Member] \| Leased Barrier Transfer Machines [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	10 years
Maximum [Member] \| Building [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	30 years
Maximum [Member] \| Equipment [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	7 years
Maximum [Member] \| Other [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	20 years
Minimum [Member] \| Leased Barrier Transfer Machines [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	8 years
Minimum [Member] \| Building [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	15 years
Minimum [Member] \| Equipment [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	3 years
Minimum [Member] \| Other [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Useful life	2 years
Iraq Contract Performance Bonds [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Contractual Obligation	$ 2,000
Performance bond obligations	2,000
Chinese Government Deliquent Accounts Receivable [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Accounts receivable, current and long-term	6,900
Iraq Contract Accounts Receivable [Member]
Description Of Business And Significant Accounting Policies [Line Items]
Accounts receivable, current	$ 2,700