XML 34 R23.htm IDEA: XBRL DOCUMENT v3.10.0.1

Business Acquisitions, Goodwill and Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2018

Business Acquisitions, Goodwill and Intangible Assets

Schedule of acquisition and integration expenses

		Nine months ended June 30, 2017
		(in millions)
Severance and personnel costs		$	29.9
Professional service, real estate-related, and other expenses		5.5
Total		$	35.4

Schedule of changes in the carrying value of goodwill by reportable segment

		September 30, 2017			Measurement Period Adjustments			Impairment			Foreign Exchange Impact			June 30, 2018
		(in millions)
Design and Consulting Services		$	3,218.9		$	—		$	—		$	(24.1	)	$	3,194.8
Construction Services		1,049.9			91.0			(125.4		)	(8.7		)	1,006.8
Management Services		1,724.1			—			—			2.3			1,726.4
Total		$	5,992.9		$	91.0		$	(125.4	)	$	(30.5	)	$	5,928.0

Schedule of finite-lived intangible assets by major class

		June 30, 2018									September 30, 2017
		Gross Amount			Accumulated Amortization			Intangible Assets, Net			Gross Amount			Accumulated Amortization			Intangible Assets, Net			Amortization Period
		(in millions)																		(years)
Backlog and customer relationships		$	1,286.7		$	(945.0	)	$	341.7		$	1,283.6		$	(870.2	)	$	413.4		1 - 11
Trademark / tradename		18.3			(16.8		)	1.5			18.3			(16.6		)	1.7			0.3 - 2
Total		$	1,305.0		$	(961.8	)	$	343.2		$	1,301.9		$	(886.8	)	$	415.1

Schedule of estimated future amortization expense of intangible assets

Fiscal Year		(in millions)
2018 (three months remaining)		$	22.7
2019		83.9
2020		70.0
2021		56.9
2022		44.1
Thereafter		65.6
Total		$	343.2

X

- References

No definition available.

+ Details

Name:	acm_BusinessAcquisitionsGoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix:	acm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Schedule of costs incurred to effect a business combination that have been expensed during the period.

+ References

No definition available.

+ Details

Name:	acm_ScheduleOfBusinessAcquisitionIntegrationRestructuringAndOtherRelatedCostsTableTextBlock
Namespace Prefix:	acm_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

+ Details

Name:	us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

Name:	us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration