XML 60 R39.htm IDEA: XBRL DOCUMENT v3.5.0.2

Derivative Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2016

Derivative Financial Instruments and Fair Value Measurements

Notional principle, fixed rates and related expiration dates of outstanding interest rate swap agreements

		September 30, 2016
		Notional Amount (in millions)			Fixed Rate			Expiration Date
		$	300.0			1.63	%	June 2018
			300.0			1.54	%	September 2018

		September 30, 2015
		Notional Amount (in millions)			Fixed Rate			Expiration Date
		$	300.0			1.63	%	June 2018
			300.0			1.54	%	September 2018

X

- Definition

Disclosure information pertaining to derivative instruments and fair value measurements.

+ References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of the notional amounts, fixed rates and related expiration dates of outstanding derivative positions.

+ References

No definition available.

+ Details

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