XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Leases (Tables) | 9 Months Ended
--- | ---
Jun. 30, 2024
Leases |
Schedule of components of lease expenses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ |  | June 30, 2024 |  | June 30, 2023 |  | June 30, 2024 |  | June 30, 2023
​ | ​ | (in millions)
Operating lease cost | ​ | $ | 37.1 | ​ | $ | 40.8 | ​ | $ | 112.2 | ​ | $ | 123.9
Finance lease cost: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of right-of-use assets | ​ |  | 7.2 | ​ | ​ | 6.1 | ​ | ​ | 21.3 | ​ | ​ | 16.9
Interest on lease liabilities | ​ |  | 0.7 | ​ | ​ | 0.7 | ​ | ​ | 2.2 | ​ | ​ | 1.9
Variable lease cost | ​ |  | 8.6 | ​ | ​ | 9.2 | ​ | ​ | 26.1 | ​ | ​ | 25.7
Total lease cost | ​ | $ | 53.6 | ​ | $ | 56.8 | ​ | $ | 161.8 | ​ | $ | 168.4
Schedule of additional balance sheet information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | As of | ​ | As of
(in millions except as noted) |  | Balance Sheet Classification |  | June 30, 2024 |  | September 30, 2023
Assets: |  |  |  | ​ | ​ | ​ | ​ |
Operating lease assets |  | Operating lease right-of-use assets | ​ | $ | 420.3 | ​ | $ | 447.0
Finance lease assets |  | Property and equipment – net | ​ | ​ | 65.0 | ​ | ​ | 64.8
Total lease assets |  |  | ​ | $ | 485.3 | ​ | $ | 511.8
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: |  |  | ​ | ​ | ​ | ​ | ​ | ​
Current: |  |  | ​ | ​ | ​ | ​ | ​ | ​
Operating lease liabilities |  | Accrued expenses and other current liabilities | ​ | $ | 139.9 | ​ | $ | 139.8
Finance lease liabilities |  | Current portion of long-term debt | ​ | ​ | 24.8 | ​ | ​ | 25.0
Total current lease liabilities |  |  | ​ | ​ | 164.7 | ​ | ​ | 164.8
Non-current: |  |  | ​ | ​ | ​ | ​ | ​ | ​
Operating lease liabilities |  | Operating lease liabilities, noncurrent | ​ | ​ | 496.7 | ​ | ​ | 548.9
Finance lease liabilities |  | Long-term debt | ​ | ​ | 36.8 | ​ | ​ | 39.8
Total non-current lease liabilities |  |  | ​ | $ | 533.5 | ​ | $ | 588.7
​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of | ​ | As of | ​
​ |  | June 30, 2024 |  | September 30, 2023 | ​
Weighted average remaining lease term (in years): | ​ | ​ |  | ​ |
Operating leases |  | 6.1 | ​ | 6.4 | ​
Finance leases |  | 2.7 | ​ | 2.9 | ​
Weighted average discount rates: |  | ​ | ​ | ​ | ​
Operating leases |  | 5.1 | % | 4.3 | %
Finance leases |  | 4.3 | % | 4.1 | %
Schedule of additional cash flow information related to leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2024 |  | 2023
​ | ​ | (in millions)
Cash paid for amounts included in the measurement of lease liabilities: | ​ | ​ | ​ | ​ | ​ |
Operating cash flows from operating leases | ​ | $ | 140.8 | ​ | $ | 141.7
Operating cash flows from finance leases | ​ | ​ | 2.3 | ​ | ​ | 1.9
Financing cash flows from finance leases | ​ | ​ | 22.3 | ​ | ​ | 17.8
Right-of-use assets obtained in exchange for new operating leases | ​ | ​ | 60.7 | ​ | ​ | 84.2
Right-of-use assets obtained in exchange for new finance leases | ​ | ​ | 21.3 | ​ | ​ | 26.7
Schedule of total remaining lease payments under both the Company's operating and finance leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Operating Leases |  | Finance Leases
Fiscal Year | ​ | (in millions)
2024 (three months remaining) | ​ | $ | 44.9 | ​ | $ | 7.2
2025 | ​ |  | 159.1 | ​ | ​ | 25.7
2026 | ​ |  | 126.5 | ​ | ​ | 19.8
2027 | ​ |  | 96.7 | ​ | ​ | 11.2
2028 | ​ | ​ | 83.4 | ​ | ​ | 1.7
Thereafter | ​ |  | 234.1 | ​ | ​ | —
Total lease payments | ​ | $ | 744.7 | ​ | $ | 65.6
Less: Amounts representing interest | ​ | $ | (108.1) | ​ | $ | (4.0)
Total lease liabilities | ​ | $ | 636.6 | ​ | $ | 61.6
​

X
- Definition The tabular disclosure for additional Balance Sheet information related to leases. + References No definition available. + Details
Name: | acm_DisclosureOfAdditionalBalanceSheetInformationRelatedToLeasesTableTextBlock
Namespace Prefix: | acm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tabular disclosure for additional Cash Flow information related to leases. + References No definition available. + Details
Name: | acm_DisclosureOfAdditionalCashFlowInformationRelatedToLeasesTableTextBlock
Namespace Prefix: | acm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating and Finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References No definition available. + Details
Name: | acm_LesseeOperatingAndFinanceLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | acm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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