Business Acquisitions, Goodwill and Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2019

Business Acquisitions, Goodwill and Intangible Assets

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

					Foreign
	September 30,				Exchange		June 30,
	2018		Disposal		Impact		2019
	(in millions)
Design and Consulting Services	$	3,189.2	$	(0.4)	$	(6.2)	$	3,182.6
Construction Services		1,008.9		—		(1.8)		1,007.1
Management Services		1,723.0		—		(6.2)		1,716.8
Total	$	5,921.1	$	(0.4)	$	(14.2)	$	5,906.5

Schedule of finite-lived intangible assets by major class

	June 30, 2019						September 30, 2018
	Gross		Accumulated		Intangible		Gross		Accumulated		Intangible		Amortization
	Amount		Amortization		Assets, Net		Amount		Amortization		Assets, Net		Period
	(in millions)												(years)
Backlog and customer relationships	$	1,285.2	$	(1,030.1)	$	255.1	$	1,285.1	$	(966.0)	$	319.1	1	-	11
Trademark / tradename		18.3		(18.2)		0.1		18.3		(17.5)		0.8	0.3	-	2
Total	$	1,303.5	$	(1,048.3)	$	255.2	$	1,303.4	$	(983.5)	$	319.9

Schedule of estimated future amortization expense of intangible assets

Fiscal Year	(in millions)
2019 (three months remaining)	$	20.7
2020		69.4
2021		56.5
2022		43.7
2023		39.3
Thereafter		25.6
Total	$	255.2