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Reportable Segments (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Dec. 31, 2014 segment | Dec. 31, 2013 | Sep. 30, 2014
Summarized financial information concerning the Company's reportable segments |  |  |
Revenue | $ 4,186,035 us-gaap_SalesRevenueServicesNet | $ 1,953,875 us-gaap_SalesRevenueServicesNet |
Gross profit | 164,223 us-gaap_GrossProfit | 78,198 us-gaap_GrossProfit |
Equity in earnings of joint ventures | 23,924 us-gaap_IncomeLossFromEquityMethodInvestments | 36,083 us-gaap_IncomeLossFromEquityMethodInvestments |
General and administrative expenses | (34,338)us-gaap_GeneralAndAdministrativeExpense | (23,845)us-gaap_GeneralAndAdministrativeExpense |
Acquisition and integration expense | (138,463)us-gaap_BusinessCombinationAcquisitionRelatedCosts |  |
Operating income | 15,346 us-gaap_OperatingIncomeLoss | 90,436 us-gaap_OperatingIncomeLoss |
Gross profit as a % of revenue | 3.90%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet | 4.00%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet |
Number of reportable segments | 3 us-gaap_NumberOfReportableSegments |  |
Total Assets | 14,253,269 us-gaap_Assets |  | 6,123,377 us-gaap_Assets
Corporate |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |
General and administrative expenses | (34,300)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | (23,900)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |
Acquisition and integration expense | (138,500)us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  |
Operating income | (172,800)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember | (23,900)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |
Total Assets | 552,700 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember |  | 365,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_CorporateNonSegmentMember
Design and Consulting Services |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |
Revenue | 1,877,000 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember | 1,301,400 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember |
Gross profit | 49,300 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember | 53,900 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember |
Equity in earnings of joint ventures | 1,500 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember | 32,800 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember |
Operating income | 50,800 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember | 86,700 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember |
Gross profit as a % of revenue | 2.60%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember | 4.10%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember |
Total Assets | 7,242,800 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember |  | 4,064,500 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = acm_DesignConsultingServicesMember
Construction Services |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |
Revenue | 1,530,400 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember | 428,700 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember |
Gross profit | 52,900 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember | 4,100 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember |
Equity in earnings of joint ventures | 5,900 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember | 1,400 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember |
Operating income | 58,800 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember | 5,500 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember |
Gross profit as a % of revenue | 3.50%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember | 1.00%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember |
Total Assets | 3,205,500 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember |  | 1,256,400 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = acm_ConstructionServicesMember
Management Services |  |  |
Summarized financial information concerning the Company's reportable segments |  |  |
Revenue | 778,600 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember | 223,800 us-gaap_SalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember |
Gross profit | 62,000 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember | 20,200 us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember |
Equity in earnings of joint ventures | 16,500 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember | 1,900 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember |
Operating income | 78,500 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember | 22,100 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember |
Gross profit as a % of revenue | 8.00%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember | 9.00%acm_GrossProfitAsPercentageOfSalesRevenueServicesNet / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember |
Total Assets | $ 3,252,300 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember |  | $ 437,500 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = acm_ManagementSupportServicesMember

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