XML 33 R20.htm IDEA: XBRL DOCUMENT
v3.20.4

Other Financial Information | 3 Months Ended
--- | ---
Dec. 31, 2020
Other Financial Information |
Other Financial Information | 13. Other Financial Information ​ Accrued expenses and other current liabilities consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | September 30,
​ |  | 2020 |  | 2020
​ | ​ | (in millions)
Accrued salaries and benefits | ​ | $ | 678.8 | ​ | $ | 675.7
Accrued contract costs | ​ |  | 1,137.3 | ​ |  | 1,104.7
Other accrued expenses | ​ |  | 449.6 | ​ |  | 431.3
​ | ​ | $ | 2,265.7 | ​ | $ | 2,211.7
​ Accrued contract costs above include balances related to professional liability accruals of $628.5 million and $596.0 million as of December 31, 2020 and September 30, 2020, respectively. The remaining accrued contract costs primarily relate to costs for services provided by subcontractors and other non-employees. Liabilities recorded related to accrued contract losses were not material as of December 31, 2020 and September 30, 2020. The Company did not have material revisions to estimates for contracts where revenue is recognized using the input method during the three months ended December 31, 2020 and 2019. In the first quarter of fiscal 2019, the Company commenced a restructuring plan to improve profitability. The Company expects to incur restructuring costs of $30 million to $50 million in fiscal year 2021 primarily related to costs associated with the advancing its previously announced actions to deliver margin improvement and efficiencies that result in a more agile organization. During the first quarter of fiscal 2021, the Company incurred restructuring expenses of $13.0 million, including personnel and other costs of $10.2 million and real estate costs of $2.8 million, of which $1.7 million was accrued and unpaid at December 31, 2020. During the first quarter of fiscal 2020, the Company incurred restructuring expenses of $44.9 million, including personnel and other costs of $38.2 million and real estate costs of $6.7 million, of which $16.7 million was accrued and unpaid at December 31, 2019.

X
- References No definition available. + Details
Name: | acm_OtherFinancialInformationDisclosureAbstract
Namespace Prefix: | acm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
Name: | us-gaap_AdditionalFinancialInformationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration