Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidating Statements of Earnings and Comprehensive Income (Detail)

v2.4.1.9
Condensed Consolidating Statements of Earnings and Comprehensive Income (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Condensed Financial Statements, Captions [Line Items]    
Net sales $ 327,765us-gaap_SalesRevenueNet $ 339,556us-gaap_SalesRevenueNet
Cost of products sold 200,789us-gaap_CostOfGoodsSold 207,776us-gaap_CostOfGoodsSold
Gross profit 126,976us-gaap_GrossProfit 131,780us-gaap_GrossProfit
Selling, administrative and engineering expenses 82,472atu_SellingAdministrativeAndEngineeringExpenses 81,918atu_SellingAdministrativeAndEngineeringExpenses
Amortization of intangible assets 6,286us-gaap_AmortizationOfIntangibleAssets 6,215us-gaap_AmortizationOfIntangibleAssets
Operating profit 38,218us-gaap_OperatingIncomeLoss 43,647us-gaap_OperatingIncomeLoss
Financing costs, net 6,191us-gaap_FinancingInterestExpense 6,750us-gaap_FinancingInterestExpense
Intercompany expense (income), net 0atu_IntercompanyExpenseIncomeNet 0atu_IntercompanyExpenseIncomeNet
Other expense (income), net (439)us-gaap_OtherNonoperatingIncomeExpense 1,141us-gaap_OtherNonoperatingIncomeExpense
Earnings from continuing operations before income tax expense 32,466us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 35,756us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense 7,792us-gaap_IncomeTaxExpenseBenefit 2,751us-gaap_IncomeTaxExpenseBenefit
Net earnings before equity in earnings of subsidiaries 24,674atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries 33,005atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
Equity in earnings of subsidiaries 0atu_EquityInEarningsOfSubsidiaries 0atu_EquityInEarningsOfSubsidiaries
Earnings from continuing operations 24,674us-gaap_IncomeLossFromContinuingOperations 33,005us-gaap_IncomeLossFromContinuingOperations
Earnings from discontinued operations, net of income taxes 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity 3,032us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Net earnings 24,674us-gaap_NetIncomeLoss 36,037us-gaap_NetIncomeLoss
Comprehensive (loss) income (38,289)us-gaap_ComprehensiveIncomeNetOfTax 53,040us-gaap_ComprehensiveIncomeNetOfTax
Parent    
Condensed Financial Statements, Captions [Line Items]    
Net sales 40,266us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
45,091us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cost of products sold 9,967us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
12,072us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Gross profit 30,299us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
33,019us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Selling, administrative and engineering expenses 19,072atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
16,858atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Amortization of intangible assets 318us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
318us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Operating profit 10,909us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
15,843us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Financing costs, net 6,547us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
6,779us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Intercompany expense (income), net (5,732)atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(4,997)atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Other expense (income), net 465us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
10,417us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Earnings from continuing operations before income tax expense 9,629us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3,644us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income tax expense 2,310us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
1,008us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net earnings before equity in earnings of subsidiaries 7,319atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
2,636atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Equity in earnings of subsidiaries 17,355atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
34,222atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Earnings from continuing operations   36,858us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Earnings from discontinued operations, net of income taxes   (821)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net earnings 24,674us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
36,037us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Comprehensive (loss) income (38,289)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
53,040us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Guarantors    
Condensed Financial Statements, Captions [Line Items]    
Net sales 77,591us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
79,636us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Cost of products sold 53,258us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
55,255us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Gross profit 24,333us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
24,381us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Selling, administrative and engineering expenses 17,467atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
15,952atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Amortization of intangible assets 2,785us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
2,575us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Operating profit 4,081us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
5,854us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Financing costs, net 0us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
3us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Intercompany expense (income), net 1,234atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(339)atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Other expense (income), net (96)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(293)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Earnings from continuing operations before income tax expense 2,943us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
6,483us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Income tax expense 706us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,795us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Net earnings before equity in earnings of subsidiaries 2,237atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
4,688atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Equity in earnings of subsidiaries 14,147atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
13,333atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Earnings from continuing operations   18,021us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Earnings from discontinued operations, net of income taxes   3,338us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Net earnings 16,384us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
21,359us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Comprehensive (loss) income (6,600)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
38,797us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
Non-Guarantors    
Condensed Financial Statements, Captions [Line Items]    
Net sales 209,908us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
214,829us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Cost of products sold 137,564us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
140,449us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Gross profit 72,344us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
74,380us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Selling, administrative and engineering expenses 45,933atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
49,108atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Amortization of intangible assets 3,183us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
3,322us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Operating profit 23,228us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
21,950us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Financing costs, net (356)us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(32)us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Intercompany expense (income), net 4,498atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
5,336atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Other expense (income), net (808)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(8,983)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Earnings from continuing operations before income tax expense 19,894us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
25,629us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income tax expense 4,776us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(52)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Net earnings before equity in earnings of subsidiaries 15,118atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
25,681atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Equity in earnings of subsidiaries 194atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
3,200atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Earnings from continuing operations   28,881us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Earnings from discontinued operations, net of income taxes   515us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Net earnings 15,312us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
29,396us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Comprehensive (loss) income (23,150)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
27,671us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Eliminations    
Condensed Financial Statements, Captions [Line Items]    
Net sales 0us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_SalesRevenueNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Cost of products sold 0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Gross profit 0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Selling, administrative and engineering expenses 0atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0atu_SellingAdministrativeAndEngineeringExpenses
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Amortization of intangible assets 0us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_AmortizationOfIntangibleAssets
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Operating profit 0us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Financing costs, net 0us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_FinancingInterestExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Intercompany expense (income), net 0atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0atu_IntercompanyExpenseIncomeNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Other expense (income), net 0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Earnings from continuing operations before income tax expense 0us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Income tax expense 0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Net earnings before equity in earnings of subsidiaries 0atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0atu_NetEarningsLossFromContinuingOperationsBeforeEquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Equity in earnings of subsidiaries (31,696)atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(50,755)atu_EquityInEarningsOfSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Earnings from continuing operations   (50,755)us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Earnings from discontinued operations, net of income taxes   0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Net earnings (31,696)us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(50,755)us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Comprehensive (loss) income $ 29,750us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ (66,468)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember