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Business Acquisitions, Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2013

Business Acquisitions, Goodwill and Intangible Assets

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

		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

		September 30, 2011			Post- Acquisition Adjustments			Foreign Exchange Impact			Acquired			March 31, 2012
		(in millions)
Professional Technical Services		$	1,733.9		$	(0.4	)	$	20.9		$	11.0		$	1,765.4
Management Support Services		352.4			7.5			—			—			359.9
Total		$	2,086.3		$	7.1		$	20.9		$	11.0		$	2,125.3

Schedule of finite-lived intangible assets by major class

		March 31, 2013									September 30, 2012
		Gross Amount			Accumulated Amortization			Intangible Assets, Net			Gross Amount			Accumulated Amortization			Intangible Assets, Net			Amortization Period
		(in millions)																		(years)
Backlog		$	95.2		$	(86.9	)	$	8.3		$	91.1		$	(83.8	)	$	7.3		1 – 5
Customer relationships		147.4			(61.7		)	85.7			143.6			(54.1		)	89.5			10
Trademark / tradename		7.8			(7.7		)	0.1			7.8			(7.6		)	0.2			2
Total		$	250.4		$	(156.3	)	$	94.1		$	242.5		$	(145.5	)	$	97.0

Schedule of estimated future amortization expense of intangible assets

Fiscal Year		(in millions)
2013 (six months remaining)		$	10.4
2014		18.9
2015		15.9
2016		13.2
2017		11.9
Thereafter		23.8
Total		$	94.1

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

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

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