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Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Feb. 28, 2017 | Aug. 31, 2016
Indefinite And Finite Lived Intangible Assets [Line Items] |  |
Accumulated Amortization | $ 209,353 | $ 202,311
Other intangibles, gross | 434,912 | 441,786
Other intangibles, net | 225,559 | 239,475
Tradenames |  |
Indefinite And Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 89,630 | 90,909
Customer relationships |  |
Indefinite And Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 15 years |
Gross Carrying Value | $ 287,584 | 292,671
Accumulated Amortization | 171,853 | 166,252
Net Book Value | $ 115,731 | 126,419
Patents |  |
Indefinite And Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 11 years |
Gross Carrying Value | $ 29,992 | 30,296
Accumulated Amortization | 23,047 | 22,233
Net Book Value | $ 6,945 | 8,063
Trademarks and tradenames |  |
Indefinite And Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 18 years |
Gross Carrying Value | $ 21,200 | 21,283
Accumulated Amortization | 8,503 | 7,936
Net Book Value | $ 12,697 | 13,347
Other intangibles |  |
Indefinite And Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 3 years |
Gross Carrying Value | $ 6,506 | 6,627
Accumulated Amortization | 5,950 | 5,890
Net Book Value | $ 556 | $ 737

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- Definition Useful life of finite-lived intangible assets, 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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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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