Acquisitions (Tables)

9 Months Ended

Sep. 30, 2013

Business Acquisition [Line Items]

Schedule of Business Combination Measurement Period Adjustments

Measurement period adjustments associated with the Company's 2012 acquisitions have been reflected in the Company's December 31, 2012 consolidated balance sheet as follows (in millions):

As of December 31, 2012	As Previously Reported		Measurement Period Adjustments/Reclassifications			As Revised
Current assets	$	1,047.1	$	2.5		$	1,049.6
Property and equipment, net	$	350.4	$	(0.2	)	$	350.2
Goodwill	$	820.3	$	4.7		$	825.0
Other long-term assets, including discontinued operations	$	53.1	$	1.1		$	54.2
Current liabilities	$	705.7	$	8.1		$	713.8

Big Country [Member]

Business Acquisition [Line Items]

Schedule of Business Acquisitions, Consideration Paid and Identifiable Net Assets Acquired

The following table summarizes the preliminary estimated fair value of consideration paid and the identifiable assets acquired and liabilities assumed, as adjusted, as of the date of acquisition (in millions):

Purchase price consideration:	May 1, 2013
Cash	$	103.5
Fair value of contingent consideration (earn-out liability)	22.8
Total consideration transferred	$	126.3
Identifiable assets acquired and liabilities assumed:
Current assets	$	69.0
Property and equipment	44.0
Pre-qualifications	29.6
Finite-lived intangible assets	10.7
Current liabilities	(21.7		)
Long-term debt	(24.4		)
Deferred income taxes	(13.1		)
Total identifiable net assets	$	94.1
Goodwill	$	32.2
Total net assets acquired, including goodwill	$	126.3

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination

The fair values and weighted average useful lives of Big Country's acquired finite-lived intangible assets, as adjusted, as of the date of acquisition were assigned as follows:

	Fair Value		Weighted Average Useful Life
	(in millions)		(in years)
Backlog	$	1.9	1
Non-compete agreements	1.8		8
Customer relationships	7.0		6
Total acquired amortizing intangibles	$	10.7	5

2013 Acquisitions [Member]

Business Acquisition [Line Items]

Business Acquisition, Pro Forma Information

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2013		2012		2013		2012
	(unaudited, in millions)				(unaudited, in millions)
Revenue	$	1,273.6	$	1,158.7	$	3,284.9	$	3,026.2
Net income from continuing operations	$	50.0	$	42.7	$	113.4	$	88.9

Results of Businesses Acquired in 2013

Revenues and net income from the Company's 2013 acquisitions for the periods indicated are as follows (in millions):

	For the Three Months Ended September 30, 2013		For the Nine Months Ended September 30, 2013
Revenue	$	101.8	$	141.4
Net income	$	6.2	$	7.7

2012 Acquisitions [Member]

Business Acquisition [Line Items]

Business Acquisition, Pro Forma Information

Revenues and net income from the Company's 2012 acquisitions for the periods indicated are as follows (in millions):

	For the Three Months Ended September 30, 2013		For the Nine Months Ended September 30, 2013
Revenue	$	39.9	$	129.0
Net income	$	1.4	$	5.2