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Goodwill And Other Intangible Assets (Summary Of Changes in Carrying Amounts of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Nov. 30, 2014
Goodwill [Line Items] |
Balance, beginning | $ 95,499 us-gaap_Goodwill
GT85 acquisiton | 1,309 us-gaap_GoodwillAcquiredDuringPeriod
Translation adjustments | (290)us-gaap_GoodwillTranslationAdjustments
Balance, ending | 96,518 us-gaap_Goodwill
Americas [Member] |
Goodwill [Line Items] |
Balance, beginning | 85,581 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AmericasMember
Translation adjustments | (33)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AmericasMember
Balance, ending | 85,548 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AmericasMember
EMEA [Member] |
Goodwill [Line Items] |
Balance, beginning | 8,707 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
GT85 acquisiton | 1,309 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Translation adjustments | (257)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Balance, ending | 9,759 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EMEAMember
Asia-Pacific [Member] |
Goodwill [Line Items] |
Balance, beginning | 1,211 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaPacificMember
GT85 acquisiton |
Translation adjustments |
Balance, ending | $ 1,211 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AsiaPacificMember

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Details
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Data Type: | na
Balance Type: |
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- Details
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |