Reportable Segments and Geographic Information (Tables)

12 Months Ended

Sep. 30, 2016

Reportable Segments:	Design and Consulting Services			Construction Services			Management Services			Corporate			Total
Fiscal Year Ended September 30, 2016:
Revenue	$	7,655.8		$	6,501.3		$	3,253.7		$	—		$	17,410.8
Gross profit		382.5			31.1			229.2			—			642.8
Equity in earnings of joint ventures		8.9			18.2			76.9			—			104.0
General and administrative expenses		—			—			—			(115.1	)		(115.1	)
Acquisition and integration expenses		—			—			—			(213.6	)		(213.6	)
Loss on disposal activities		—			(42.6	)		—			—			(42.6	)
Operating income (loss)		391.4			6.7			306.1			(328.7	)		375.5
Segment assets		6,655.7			3,556.2			2,692.7			822.1			13,726.7
Gross profit as a % of revenue		5.0	%		0.5	%		7.0	%					3.7	%
Fiscal Year Ended September 30, 2015:
Revenue	$	7,962.9		$	6,676.7		$	3,350.3		$	—		$	17,989.9
Gross profit		299.3			42.8			193.1			—			535.2
Equity in earnings of joint ventures		6.6			23.0			76.6			—			106.2
General and administrative expenses		—			—			—			(114.0	)		(114.0	)
Acquisition and integration expenses		—			—			—			(398.4	)		(398.4	)
Operating income (loss)		305.9			65.8			269.7			(512.4	)		129.0
Segment assets		7,118.2			3,382.4			2,903.9			609.8			14,014.3
Gross profit as a % of revenue		3.8	%		0.6	%		5.8	%					3.0	%
Fiscal Year Ended September 30, 2014:
Revenue	$	5,443.1		$	2,004.3		$	909.4		$	—		$	8,356.8
Gross profit		330.3			29.3			43.6			—			403.2
Equity in earnings of joint ventures		35.5			6.0			16.4			—			57.9
General and administrative expenses		—			—			—			(80.9	)		(80.9	)
Acquisition and integration expenses		—			—			—			(27.3	)		(27.3	)
Operating income (loss)		365.8			35.3			60.0			(108.2	)		352.9
Segment assets		4,064.5			1,256.4			437.5			365.0			6,123.4
Gross profit as a % of revenue		6.1	%		1.5	%		4.8	%					4.8	%