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Business Acquisitions, Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2014

Business Acquisitions, Goodwill and Intangible Assets

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

		September 30, 2013			Post- Acquisition Adjustments			Foreign Exchange Impact			Acquired			March 31, 2014
		(in millions)
Professional Technical Services		$	1,645.0		$	5.0		$	(8.5	)	$	79.1		$	1,720.6
Management Support Services		166.8			—			—			—			166.8
Total		$	1,811.8		$	5.0		$	(8.5	)	$	79.1		$	1,887.4

		September 30, 2012			Post- Acquisition Adjustments			Foreign Exchange Impact			Acquired			March 31, 2013
		(in millions)
Professional Technical Services		$	1,608.6		$	—		$	(15.7	)	$	48.2		$	1,641.1
Management Support Services		166.8			—			—			—			166.8
Total		$	1,775.4		$	—		$	(15.7	)	$	48.2		$	1,807.9

Schedule of finite-lived intangible assets by major class

		March 31, 2014									September 30, 2013
		Gross Amount			Accumulated Amortization			Intangible Assets, Net			Gross Amount			Accumulated Amortization			Intangible Assets, Net			Amortization Period
		(in millions)																		(years)
Backlog		$	104.4		$	(93.1	)	$	11.3		$	94.9		$	(89.4	)	$	5.5		1 — 5
Customer relationships		158.0			(77.2		)	80.8			147.1			(69.5		)	77.6			10
Trademark / tradename		7.8			(7.8		)	—			7.8			(7.8		)	—			2
Total		$	270.2		$	(178.1	)	$	92.1		$	249.8		$	(166.7	)	$	83.1

Schedule of estimated future amortization expense of intangible assets

Fiscal Year		(in millions)
2014 (six months remaining)		$	11.6
2015		21.7
2016		15.4
2017		12.9
2018		9.7
Thereafter		20.8
Total		$	92.1