Acquisitions and Other Investments (Tables)

12 Months Ended

Dec. 31, 2012

2011 Acquisitions [Member]

Business Acquisition [Line Items]

Business Acquisition, Pro Forma Information

	Year Ended December 31,
	2011		2010
	(unaudited, in millions)
Revenue	$	3,115.6	$	2,506.0
Net income	$	105.5	$	85.6

Bottom Line Services [Member]

Business Acquisition [Line Items]

Schedule of Business Acquisitions, Consideration Paid and Purchase Price Allocation

The following table summarizes the estimated fair value of consideration paid and the allocation of purchase price as of the date of acquisition (in millions). The allocation of purchase price to the fair value of tangible and intangible assets and liabilities, including the estimated value of the earn-out obligation and the estimated useful lives of acquired assets, is provisional and remains preliminary as management continues to assess the valuation of these items and any ultimate purchase price adjustments based on the final assets and net working capital, as prescribed by the purchase agreement.

	December 1, 2012
Purchase price consideration:
Cash	$	67.6
Fair value of contingent consideration (earn-out liability)	11.1
Total consideration transferred	$	78.7
Purchase price allocation to identifiable assets acquired and liabilities assumed:
Current assets	$	36.4
Property and equipment	12.6
Trade name	2.6
Non-compete agreements	0.5
Customer relationships	24.4
Current liabilities	(10.4		)
Total identifiable net assets	$	66.1
Goodwill	$	12.6
Total consideration allocated	$	78.7

2012 Acquisitions [Member]

Business Acquisition [Line Items]

Business Acquisition, Pro Forma Information

	Year Ended December 31,
	2012		2011
	(unaudited, in millions)
Revenue	$	3,879.1	$	2,931.1
Net income	$	119.4	$	112.3

EC Source [Member]

Business Acquisition [Line Items]

Schedule of Business Acquisitions, Consideration Paid and Purchase Price Allocation

The following table summarizes the estimated fair value of consideration paid and the allocation of purchase price as of date of acquisition (in millions):

	May 2, 2011
Purchase price consideration:
Shares transferred	$	94.2
Cash	0.3
Fair value of contingent consideration (earn-out liability)	25.0
Total consideration transferred	$	119.5
Fair value of equity investment	$	39.6
Fair value of total consideration	$	159.1
Purchase price allocation to identifiable assets acquired and liabilities assumed:
Current assets	21.0
Property and equipment	10.1
Pre-qualifications	31.3
Backlog	11.0
Non-compete agreements	1.5
Current liabilities	(13.4		)
Debt	(8.6		)
Deferred income taxes	(14.5		)
Total identifiable net assets	$	38.4
Goodwill	$	120.7
Total consideration allocated	$	159.1

Fabcor [Member]

Business Acquisition [Line Items]

Schedule of Business Acquisitions, Consideration Paid and Purchase Price Allocation

The following table summarizes the estimated fair value of consideration paid and the allocation of purchase price as of the date of acquisition (in millions):

	April 1, 2011
Purchase price consideration:
Cash	$	24.2
Fair value of contingent consideration (earn-out liability)	16.9
Total consideration transferred	$	41.1
Purchase price allocation to identifiable assets acquired and liabilities assumed:
Current assets	$	24.3
Property and equipment	12.8
Trade names	0.7
Non-compete agreements	0.1
Customer relationships	3.1
Backlog	0.4
Current liabilities	(24.1		)
Deferred income taxes and other liabilities	(4.3		)
Total identifiable net assets	$	13.0
Goodwill	$	28.1
Total consideration allocated	$	41.1