XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Summary of Financial Information by Reportable Segment and Product Line (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 28, 2017 USD ($) | Feb. 29, 2016 USD ($) | Feb. 28, 2017 USD ($) Segment | Feb. 29, 2016 USD ($) | Aug. 31, 2016 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Asset Impairment Charges | $ 0 | $ 186,511 | $ 0 | $ 186,511 |
Number of reportable segments | Segment |  |  | 3 |  |
Net sales | 258,869 | 263,289 | $ 524,662 | 568,300 |
Operating profit (Loss) | 13,199 | (172,115) | 21,670 | (146,744) |
Assets | 1,427,034 |  | 1,427,034 |  | $ 1,438,660
Industrial Tools [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 78,679 | 72,095 | 157,718 | 151,828 |
Industrial |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 91,648 | 81,188 | 178,938 | 170,059 |
Operating profit (Loss) | 18,380 | 16,728 | 37,155 | 37,283 |
Assets | 310,197 |  | 310,197 |  | 308,222
Heavy Lifting Technology [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 12,969 | 9,093 | 21,220 | 18,231 |
Energy |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Asset Impairment Charges |  | 140,900 |  | 140,900 |
Net sales | 72,884 | 86,225 | 157,530 | 199,987 |
Operating profit (Loss) | (579) | (136,766) | 2,632 | (126,673) |
Assets | 501,824 |  | 501,824 |  | 479,169
Energy Maintenance & Integrity |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 51,590 | 58,551 | 116,411 | 137,385 |
Other Energy Solutions [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 21,294 | 27,674 | 41,119 | 62,602 |
Engineered Solutions |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Asset Impairment Charges |  | 45,700 |  | 45,700 |
Net sales | 94,337 | 95,876 | 188,194 | 198,254 |
Operating profit (Loss) | 1,816 | (45,116) | 2,571 | (41,594) |
Assets | 490,814 |  | 490,814 |  | 493,840
On-Highway |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 50,611 | 49,434 | 102,242 | 103,510 |
Agriculture, Off-Highway and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 43,726 | 46,442 | 85,952 | 94,744 |
General Corporate |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating profit (Loss) | (6,418) | $ (6,961) | (20,688) | $ (15,760) |
Assets | $ 124,199 |  | $ 124,199 |  | $ 157,429

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: 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(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: 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(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_IndustrialToolsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_IndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_HeavyLiftingTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_EnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_EnergyMaintenanceIntegrityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_OtherEnergySolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_EngineeredSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_OnHighwayMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_AgricultureOffHighwayandOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=atu_GeneralCoporateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |