Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Nov. 30, 2014
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Aug. 31, 2014
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Indefinite And Finite Lived Intangible Assets [Line Items] | ||
Accumulated Amortization | $ 150,922us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | $ 148,184us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Other intangibles, gross | 497,136us-gaap_IntangibleAssetsGrossExcludingGoodwill | 513,361us-gaap_IntangibleAssetsGrossExcludingGoodwill |
Other intangibles, net | 346,214us-gaap_IntangibleAssetsNetExcludingGoodwill | 365,177us-gaap_IntangibleAssetsNetExcludingGoodwill |
Tradenames | ||
Indefinite And Finite Lived Intangible Assets [Line Items] | ||
Gross Carrying Value |
121,976us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
125,905us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Customer relationships | ||
Indefinite And Finite Lived Intangible Assets [Line Items] | ||
Weighted Average Amortization Period (Years) | 15 years | |
Gross Carrying Value |
314,131us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
325,164us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Accumulated Amortization |
119,923us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
117,706us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Net Book Value |
194,208us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
207,458us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Patents | ||
Indefinite And Finite Lived Intangible Assets [Line Items] | ||
Weighted Average Amortization Period (Years) | 11 years | |
Gross Carrying Value |
31,265us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
31,678us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Accumulated Amortization |
17,995us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
17,494us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Net Book Value |
13,270us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
14,184us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember |
Trademarks and tradenames | ||
Indefinite And Finite Lived Intangible Assets [Line Items] | ||
Weighted Average Amortization Period (Years) | 18 years | |
Gross Carrying Value |
22,630us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember |
23,241us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember |
Accumulated Amortization |
6,360us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember |
6,201us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember |
Net Book Value |
16,270us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember |
17,040us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember |
Non-compete agreements and other | ||
Indefinite And Finite Lived Intangible Assets [Line Items] | ||
Weighted Average Amortization Period (Years) | 4 years | |
Gross Carrying Value |
7,134us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atu_NonCompeteAgreementsAndOtherMember |
7,373us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atu_NonCompeteAgreementsAndOtherMember |
Accumulated Amortization |
6,644us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atu_NonCompeteAgreementsAndOtherMember |
6,783us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atu_NonCompeteAgreementsAndOtherMember |
Net Book Value |
$ 490us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atu_NonCompeteAgreementsAndOtherMember |
$ 590us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = atu_NonCompeteAgreementsAndOtherMember |
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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. No definition available.
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before accumulated amortization of intangible assets, excluding goodwill. No definition available.
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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